Reseller Resources

What Expenses Should a Reseller Keep Track Of?

A simple approach to keeping useful expense records without turning a small reselling business into an accounting project.

Published August 17, 2026  •  Beginner Guide

Knowing what you spent can be just as important as knowing what you sold. Good expense records help you understand where your money is going and what your reselling activity is actually producing.

When someone first starts reselling, the numbers they usually remember are simple: what they paid for an item and what they eventually sold it for.

But as reselling becomes more regular, other expenses begin appearing.

You might buy a replacement part for an item. You may need packing supplies. Perhaps you pay for a booth at a local market or use software to help manage your reselling activity.

None of those expenses need to make your record keeping complicated. The important thing is recognizing that money spent while reselling can affect how well the activity is actually performing.

Know where the money goes

Why Keep Track of Reselling Expenses?

Expenses give context to your sales.

Suppose you have $800 in sales during a month. That number tells you how much money came in from sales, but it does not tell you what you spent to generate them.

You may have purchased inventory, bought materials for individual items, paid selling fees, purchased supplies, or incurred other costs while operating your reselling activity.

Keeping those records allows you to look beyond the amount you sold and better understand what the activity produced.

You don't need perfect records to start keeping better records.

If you have not been tracking expenses, start with the expenses you can identify going forward. A simple system you consistently use is more valuable than an elaborate system you abandon.

A useful way to organize expenses

Two Useful Types of Reselling Expenses

One simple way to organize your records is to ask whether an expense belongs to a particular item.

Item-Related Expenses

Money spent specifically because of one particular item or inventory purchase.

General Business Expenses

Money spent on the overall reselling activity that does not belong to one particular inventory item.

This distinction is useful because the two types of expenses help answer different questions.

Item-related expenses help you understand what a particular sale actually produced. General expenses help you understand the cost of operating your reselling activity overall.

Costs connected to an item

Item-Related Expenses

Sometimes an item requires additional money after you purchase it and before you can sell it.

For example, you might:

  • Buy a replacement part for a used item
  • Purchase materials specifically to repair or restore something
  • Replace a missing cord, handle, frame, or accessory
  • Add decorative materials to an item you are preparing for resale
  • Purchase something else specifically because that individual item needs it

A useful question is:

Would I have spent this money if I had not purchased this particular item?

If the answer is no, it may make sense in your own records to associate the expense with that item.

Doing so gives you a more complete picture of how much money you had invested before the item sold.

Costs of the overall activity

General Reselling Business Expenses

Other expenses support your reselling activity as a whole rather than one individual item.

Depending on how and where you sell, these might include things such as:

  • General packing or shipping supplies
  • Labels, printer supplies, or office supplies
  • Storage containers, totes, or shelving
  • Booth or space fees at markets and selling events
  • Advertising or promotional costs
  • Software or services used for your reselling activity
  • Other operating expenses that are not associated with one particular item

Not every reseller will have all of these expenses.

Someone selling a few items locally may have very few general expenses, while someone selling regularly through several channels may have considerably more.

Your records should reflect the reselling activity you actually have rather than a checklist of expenses someone says a reseller is supposed to have.

Don't overlook transaction costs

What About Selling Fees and Shipping?

If you sell through a service that charges transaction, listing, payment-processing, or other selling fees, those costs can affect how much money remains from the sale.

Shipping can also affect the numbers, depending on how the transaction is structured.

For example, the buyer may pay shipping separately, you may include shipping in the selling price, or you may absorb some or all of the shipping cost yourself.

The important thing is to record what actually happened rather than assuming the full amount connected with the transaction represents profit.

Keep the actual numbers.

Record what you received and the costs you actually paid. Those records give you something concrete to review later.

A few dollars at a time

Small Expenses Can Add Up

One $4 expense probably will not determine whether your reselling activity succeeds.

But repeated small expenses can become significant over time.

Imagine regularly purchasing packing supplies, labels, replacement pieces, or other inexpensive materials and never recording them because each purchase seems too small to matter.

At the end of several months, you may have spent considerably more than you remember.

Expense tracking is not about worrying over every dollar you spend. It is about having enough information to understand where your money went.

Keep useful information

What Information Should You Record?

Expense records do not need to contain a large amount of information to be useful.

For your own day-to-day tracking, a simple expense record might include:

  • The date of the expense
  • What you purchased or paid for
  • The amount
  • A simple category or description
  • The inventory item it relates to, if applicable

You may choose to keep additional information depending on how you operate, but these basic details already make the expense much easier to understand later.

Build a system you'll actually use

Don't Make Expense Tracking Too Complicated

It is easy to create so many categories and rules that recording a $6 expense becomes a chore.

For someone selling a relatively small number of items each month, that level of complexity may provide very little benefit.

Start with a method appropriate for the size of your reselling activity.

That might be a notebook, spreadsheet, or tracking system. What matters most is that you can consistently record the information and understand it when you look back later.

Keep it proportional.

Your record-keeping system should make your reselling activity easier to understand—not become another difficult part of running it.

If you are also working on your inventory records, see How to Keep Track of Items You Buy to Resell .

See the bigger picture

How Expenses Affect Profit

Keeping expense records becomes especially useful when you begin looking at profit.

A sale tells you how much money came in. Your purchase cost and related expenses help explain how much money went into producing that sale.

General business expenses then provide another piece of the overall picture.

This is why sales alone cannot tell you how well your reselling activity is performing.

Want to understand the basic profit calculation?

Read How to Calculate Profit on an Item You Resell for a simple explanation of purchase cost, item expenses, sale price, and profit.

A note about taxes

Record Keeping and Tax Advice Are Not the Same Thing

Keeping accurate records of the money you spend can be useful for understanding your reselling activity and maintaining your business records.

However, whether a particular expense qualifies for specific tax treatment depends on your circumstances and applicable tax rules.

This guide is about record keeping, not tax advice.

For questions about deductions, tax reporting, or how a particular expense should be treated for tax purposes, consult a qualified tax professional.

Keeping the records together

Tracking Expenses with Buy Sell Tracker

Buy Sell Tracker allows you to record both expenses associated with individual inventory items and general business expenses.

Keeping those records alongside purchases and sales makes it easier to review the activity without maintaining several disconnected lists.

Reports can then use those records to help show purchases, sales, expenses, and profitability over the period you choose.

Whether you use software, a spreadsheet, or another method, the underlying habit is the same:

Record expenses while you still remember what they were for.

Final thought

Track Enough to Understand Your Business

You do not need dozens of expense categories or a complicated financial system to begin keeping useful records.

Start by recording what you spend. Note whether the expense belongs to a particular item or supports your reselling activity overall. Keep enough information that you will understand the expense when you review it later.

Over time, those records can help you see where your money is going, understand your profit more clearly, and make better decisions about the way you resell.

Want an easier way to keep the numbers together?

Track Inventory, Sales, and Expenses in One Place

Buy Sell Tracker gives part-time and small-scale resellers a simple place to keep the records needed to understand their reselling activity.

Start with a 14-day free trial. No payment information is required.