Did you know that you can save money on your taxes if you buy an RV? Yep. Here are all the IRS tax deductions for RV owners. And... if you run your business out of your RV, then the RV tax deduction is even greater!Did you know that you can save money on your taxes if you buy an RV? Yep. Here are all the IRS tax deductions for RV owners. And... if you run your business out of your RV, then the RV tax deduction is even greater!