Don't Buy the Truck Just to Beat the IRS: Why ‘Tax Savings’ Can Cost You More Than You Think

Tyler Kert
Tamarack Wealth Management

As the end of the year approaches and clients start worrying about their tax bill, I start getting the same question from business owners: “Should I go buy a new truck or piece of equipment so I can write it off and save on taxes?” And every time, I give the same honest answer: not unless you actually need it.

I understand that nobody loves sending money to the IRS. And with the recent passage of the “Big Beautiful Bill,” bonus depreciation is going back up to 100%. That means you can write off the full cost of qualified equipment or vehicles in the year you buy it. Sounds like a no-brainer, right? But here’s the truth: buying stuff you don’t need just to get a tax deduction is still bad math. I’ll give an example to clarify.

Let’s say you’re in the 32% tax bracket. If you buy a $90,000 truck for your business, and it qualifies for 100% bonus depreciation, you’ll save about $28,800 in taxes. That sounds great, until you realize you still spent $61,200 of real money. If the truck won’t help you earn more revenue, land more clients, or do better work, you just lit sixty grand on fire to save twenty-eight. Now, I know that driving a nice truck feels great (one of my friends took me for a ride once) but you can’t justify a bad purchase with “a tax deduction”. In that scenario, you didn’t beat the IRS. Your cash flow took a beating. 

The Big Beautiful Bill has brought back full bonus depreciation, which is a win for many small businesses. It means if you need new tools, vehicles, or machinery, you can get a nice tax break upfront. But the key word is need. If you’re a contractor whose current equipment is slowing down jobs or breaking down every month, upgrading might genuinely boost your productivity and your profits. That’s a smart investment, tax break or not. If you’re a small firm adding a new team member and need another company vehicle, go for it. But if you’re eyeing that new $90,000 pickup with leather seats and a panoramic moonroof just because “it's deductible,” take a step back.

Tax deductions aren’t refunds. They’re discounts. Here’s a question to ask yourself: “Would I buy this item if it was 32% off?”. If you are in the 32% tax bracket, purchasing qualifying new equipment is essentially 32% off after you take the depreciation deduction. If you’re staring down valuable equipment that you need but it’s priced higher than you’d like, then sure, use the tax deduction as a 32% discount and continue to grow your business. But if spending does not help you generate more business or operate more efficiently, it’s not worth it. Bonus depreciation doesn’t turn a bad financial decision into a good one.

A line that we’ve used time and time again with clients is: Don’t let the tax tail wag the dog. Your business decisions should serve your goals, not just your tax return. If a purchase is going to help you grow, become more efficient, or serve more clients, and it just so happens to come with a tax benefit, fantastic. But if the only reason you're thinking about buying it is to avoid a tax bill, pause and run the numbers. 

Smart tax planning doesn’t require you to buy something you don’t need. There are plenty of ways to reduce your tax liability like retirement plan contributions and better entity structuring. These lower your tax bill without draining your business bank account or adding unnecessary liabilities to your balance sheet.

The Big Beautiful Bill might tempt some to splurge before the year ends. Just remember: a great tax deduction is only great if the purchase is truly good for your business. Don’t chase tax savings into the red. It doesn’t feel great to write large checks to Uncle Sam, but if you are, you didn’t get there by making poor business decisions. Don’t let the temptation of a tax deduction result in a purchase you’ll regret down the road. There is something worse than paying taxes and that is spending your hard-earned money on something you didn’t need just so you could avoid them.

This material is for informational purposes only and does not constitute financial, investment, or tax advice. Please consult your tax advisor or financial planner to discuss your specific circumstances before making any decisions.

Tyler Kert, a licensed financial advisor and CPA, provides financial planning and tax consulting services at Tamarack Wealth Management in Cashmere, WA.