Why a profitable retail business can still run short of cash

A full stockroom can make a business feel ready for the next rush. It can also leave very little money for payroll, rent, and taxes. For retailers, the difference between money spent and expenses recognized is one reason a profitable year can end with a tight bank balance.

That matters around Wisconsin Dells, where summer accounted for 41% of direct visitor spending in 2025, according to the Wisconsin Dells Visitor & Convention Bureau. The remaining spending happens across the other seasons, but the concentration makes purchase timing worth watching. A healthy annual sales total does not tell you whether a September supplier bill will be comfortable to pay.

Buying inventory does not automatically increase your tax bill

Under a traditional inventory method, merchandise held for resale remains an asset until its cost moves into cost of goods sold. Spending $10,000 on stock is therefore not necessarily a $10,000 current deduction. The basic calculation is beginning inventory plus purchases and other includible costs, minus ending inventory. The IRS explains this calculation in Publication 334, chapter 6.

If everything else stays equal, a larger ending inventory figure produces lower cost of goods sold and higher profit. But an additional purchase that remains unsold increases purchases and ending inventory together. Those amounts cancel in the calculation. The purchase can reduce cash without reducing profit; it does not, by itself, create extra income tax.

A shop can earn $20,000 and add no cash

Here is an illustrative comparison for a retailer using that traditional inventory treatment. Assume all sales are collected, all purchases and operating expenses are paid during the period, and there are no receivables, unpaid bills, borrowing, owner withdrawals, or equipment purchases. Inventory values are at cost. Sales tax and income taxes are excluded.

The extra $20,000 is sitting on shelves. Both cases show the same pretax profit, but the second leaves no new cash from these activities for income taxes or owner withdrawals. Actual taxable income depends on the business's tax treatment and other adjustments; this is a cash-planning example, not a tax estimate.

Which businesses should watch this closely?

A Dells gift shop may be carrying summer merchandise into fall. A Baraboo clothing store may have plenty of stock but too few sizes customers want. A campground store near Mauston may need to distinguish products that can wait until next season from dated or perishable goods. A Reedsburg retailer selling online may have cash tied up in stock at a fulfillment warehouse as well as in the store.

These are examples of exposure, not claims that every local business has a cash problem. The useful question is: how much of your available cash must return through merchandise sales before the next large payments come due?

Confirm your accounting method before planning around a deduction

Qualifying small businesses have inventory alternatives under section 471(c). These include treatment as non-incidental materials and supplies, or following the inventory treatment in an applicable financial statement—or, if there is none, qualifying books and records. Eligibility and the chosen method matter. See the IRS Schedule C instructions, Part III.

Under the materials-and-supplies approach, inventory is treated as used or consumed when it is provided to customers; payment or incurrence requirements also affect deduction timing. Using the cash method alone does not mean you can deduct unsold stock immediately. Publication 334 explains the inventory alternatives.

Ask your tax preparer which method your return uses and how it relates to your monthly reports. If you are considering a change, discuss the required procedure first; the IRS provides Form 3115 for accounting-method changes. Changing a software setting is not the same as properly changing a tax method.

Put the buying decision through a cash forecast

Build a rolling 13-week forecast with a column for each week. Start with available bank cash, add expected collections, and subtract payments on their actual expected dates. Include vendor deposits, final inventory payments, payroll and payroll taxes, rent, debt payments, sales-tax remittances, and planned owner draws. Update it weekly using actual results.

Run the next large order through that forecast before accepting it. Then try slower sales and a delayed online payout. If the order pushes cash below the amount you need for essential bills, consider smaller deliveries or a later shipment. A supplier discount is only useful when the savings justify the cash commitment, storage, and risk of markdowns.

For example, a 5% discount on a $20,000 order saves $1,000. If $8,000 of that order is likely to sit until spring, compare the saving with financing costs and the possibility of discounting that stock later. Use your actual product history; a previous busy weekend is a weak basis for a whole season's purchasing.

Review what is selling before reordering

Choose a manageable weekly report: units on hand, recent units sold, stock already ordered, supplier lead time, and cost tied up by product. Separate dependable sellers from slow lines. For seasonal products, compare the same part of prior seasons, then adjust for changes you can explain.

Set an action for older merchandise: return it if permitted, transfer it to a stronger sales channel, bundle it, reduce its price, or stop replenishing it. Compare the cash you could recover now with the cost of keeping it. Do not let the desire to recover the original margin indefinitely postpone a practical decision.

A commercial markdown and a tax write-down are different decisions. Damaged or otherwise impaired inventory has specific valuation rules; age alone is not a blanket permission to write stock to zero. Keep evidence of condition and actual selling prices, and have your tax preparer assess the treatment. IRS Publication 538 explains inventory valuation and goods that cannot be sold at normal prices.

Keep the tax reserve separate from the reorder budget

Income taxes generally need to be paid during the year, through withholding or estimated payments. Uneven earnings may call for a different payment calculation, not simply waiting until filing season. Review projections with your preparer after a strong trading period. The IRS estimated-tax guidance explains the general requirements.

At each month-end, reconcile the bank, inventory records, and supplier balances. Keep purchase invoices and count adjustments so the figures can be checked; supporting records also substantiate tax-return entries. IRS recordkeeping guidance explains that connection.

Then review profit alongside cash and upcoming bills. Dells Bookkeeping can help keep those records organized and build a clearer view of what your business can afford to buy next.

This article explains general bookkeeping and federal tax concepts. Inventory tax treatment depends on your circumstances and accounting method; confirm changes with your tax preparer.