Mark J Kohler Blog | America's Small Business Tax Expert

The Truth About Bonus Depreciation in 2026

Written by Mark J. Kohler | Mar 6, 2026 9:17:22 PM

If someone is pitching you a massive tax write off before they even explain the investment, slow down. Bonus depreciation can be an incredible tool when it’s tied to a solid investment. But if the only reason you’re doing the deal is the tax deduction, you’re setting yourself up for disappointment, and possibly an audit.

Bonus Depreciation Is Real. The Sales Pitch Is Usually the Problem.

Let’s get one thing straight. Bonus depreciation is not the scam. It’s a legitimate tax rule designed to encourage investment, and in the right situation it can be incredibly valuable. The problem is how people use it in a pitch.

A promoter shows up and says you can invest $100,000 and get a $300,000 write-off. Everyone in the room starts drooling, and that’s usually where the thinking stops. People hear the words “tax write-off” and forget to ask whether the investment actually makes money, whether debt is involved, and whether they even qualify to use the loss against their other income. That’s trouble.

Bonus depreciation can absolutely help you accelerate deductions on qualifying property. The IRS now says the special depreciation allowance is 100% for qualified property acquired and placed in service after January 19, 2025. That is a real planning opportunity. But it is not a free lunch, and it does not magically turn a bad investment into a good one.

Stop Letting the Tax Tail Wag the Dog

This is where business owners and investors get themselves in trouble. They hate paying taxes so much that they stop caring whether the investment makes sense. That’s backwards.

If you invest $100,000 and get a $100,000 deduction, you did not save $100,000. If you’re in a 37% bracket, you saved roughly $37,000. You still spent $100,000 to get there. If the investment flops, you did not win. You lost money. That’s why the first question is always the same. Does the investment make sense without the tax write-off?

Real estate can make sense. Equipment can make sense. Oil and gas can make sense. A self rental can make sense. But if the numbers only work because someone is waving a giant deduction in your face, you’re probably looking at a bad deal with a tax brochure attached to it.

The Other Dirty Little Secret: Debt

Here’s the next problem. If someone says you’re getting a write-off larger than the amount of cash you put in, you need to ask one question immediately: where’s the debt?

Because there is only one way that happens. You are almost certainly being allocated basis through debt, and if you’re getting the deduction, there is a very good chance you are on the hook for that debt somewhere in the structure. That matters a lot more than many investors realize when they first hear the pitch.

If the promoter glosses over that part, or tells you not to worry about it, worry about it. Ask where the recourse debt is. Ask who guaranteed it. Ask what happens if the project fails. Ask whether debt forgiveness income is a risk down the road. If they can’t answer those questions clearly, you do not have a tax strategy. You have a sales pitch.

Material Participation Is Where the Whole Thing Lives or Dies

Now let’s get to the real issue. A lot of these promoted strategies only work the way people want if the losses become non-passive. That usually means you need material participation.

This comes up constantly with short-term rentals, equipment leasing, crypto mining rigs, Turo style vehicle fleets, solar deals, and various “invest here and write it off over there” strategies. The IRS uses seven tests for material participation, but most taxpayers live or die by the first three. In plain English, the most common ways to qualify are putting in more than 500 hours during the year, doing substantially all of the work in the activity, or participating more than 100 hours while making sure no one else participates more than you do.

That sounds simple until you realize investor activity usually does not count. Reviewing reports, watching an app, sitting in a conference, or checking in once a week is not the same thing as doing qualifying operational work. This is where aggressive promoters get cute. They tell you that you can buy the asset, download some app, “manage” it from your phone, and somehow unlock a giant loss against your W-2 or business income. Maybe. Usually not.

Short-Term Rental vs. Long-Term Rental

This is where a lot of people get confused, especially in real estate. Short-term rentals can be powerful because, when structured correctly, they may avoid the separate real estate professional hurdle that long-term rentals face. That is why people call it the short-term rental loophole. But let’s be clear, you still need to materially participate.

If you are doing a traditional long-term rental strategy and want to use losses against other active income, then real estate professional status and material participation usually become part of the conversation. With short-term rentals, the analysis can be more favorable, but you still need the hours, the records, and the actual involvement. This is not a buy-it-and-forget-it strategy, no matter how the promoter frames it.

A Few Strategies That Actually Have Legs

Not every accelerated depreciation strategy is nonsense, and I don’t want this to sound like I’m throwing all of them in the trash. Some of them absolutely work when they are tied to a real business purpose and a sound investment.

Self rentals can work very well. If you own the building and rent it to your operating business, that can create legitimate planning opportunities when structured correctly. Oil and gas can work too. There are long-standing tax rules around intangible drilling costs, and those investments can produce real deductions without forcing the same material participation analysis in the way some other promoted strategies do.

And yes, real estate still makes plenty of sense even if you never convert the passive loss to active. If the asset cash flows, appreciates, and the depreciation shelters income from the asset itself, that is already a win. You do not need every deduction to offset your day job to have a smart investment. That is a point people forget when they get too focused on trying to force every loss onto page one of the tax return.

Three Questions to Ask Before You Buy Any Bonus Depreciation Strategy

  1. If someone brings you a tax strategy investment, ask three questions before you sign anything. First, does the investment make sense without the deduction? Second, is there debt involved, and if so, how does it affect my basis and my real risk? Third, exactly how do I materially participate, and which IRS test am I supposedly meeting?
  2. If the answers are vague, move on. And here is one more question worth asking your advisor. Are you getting paid to recommend this? Because let’s be honest, some of these deals get pushed because commissions are floating around in the background.
  3. If your CPA or advisor is signing off on the strategy, that does not automatically mean the IRS will agree. And if the deduction gets disallowed, it is your tax return, your audit, and your money on the line.

The Bottom Line

Bonus depreciation can be a powerful tax tool when it’s tied to a solid investment and a strategy that actually holds up under IRS scrutiny. But too many investors chase the deduction first and worry about the economics later. That’s how people end up in bad deals, signing for debt they didn’t understand, or defending a tax position in an audit they never should have taken.

 

Before you jump into any investment being sold primarily for the tax write-off, slow down and run the numbers. Make sure the investment makes sense on its own, understand whether debt is involved, and confirm how you actually qualify to use the loss on your tax return. Those three steps alone can save you thousands of dollars and a massive headache later.

 

If someone is pitching you a strategy right now and you want to make sure you’re not walking into a mistake, book a free 15-minute call with my team at KKOS Lawyers. My team reviews these kinds of deals every single week and can quickly tell you whether the strategy actually works or if it’s the kind of tax pitch that falls apart when the IRS shows up. A quick review today could save you months of stress and a very expensive surprise later.