Just deduct security deposit and move on.

Looking for peoples opinions if the quoted costs are fair to take off the security deposit.TYIA You are absolutely within your rights to deduct all that from the security deposit.

A professional study, though more expensive, often identifies more deductions and is better for IRS scrutiny.

That will cost us about $4.8K out of pocket (our insurance deductible under our Rental Dwelling policy). 

I narrowed it down to paying off a few of my rental properties, though I need to see how that will affect my possible tax deductions.

Deductibles- make sure your deductibles are as high as possible. 

Key provisions like bonus depreciation, the 20% pass-through deduction, and 1031 exchanges have saved investors thousands of dollars each year.

If purchasing new real estate as part of your reinvestment, a cost segregation study can maximize depreciation deductions, offsetting future taxable income.For effective planning, assess how the sale price is allocated between real estate, tangible assets, and goodwill, as this determines the tax treatment.

Yes, you can deduct related expenses including gas, loan interest, insurance, etc. using the actual vehicle expenses method to deduct auto expenses for your rental or other businesses. 

HELOCs often have lower interest rates, and the interest may be tax-deductible if used for investment purposes.