I am interested in getting these loans to put solar in, taking the tax credit and deductions up front, and then paying back the loan over a 20 year period. 

Looking to turn the $150K to $250K in a 3 to 5 year hold while maximizing deductions.

If my AGI is over the $150k (not including husband's income) do we not qualify for tax write-offs/deductions?

These are typically deductible in the year they’re done.On the other hand, improvements that better the property, restore it after substantial damage, or adapt it for a new use generally have to be capitalized and depreciated over time.Now, if the cost is $2,500 or less, you might be able to use the De Minimis Safe Harbor election to expense it immediately, rather than depreciating it.

These deductions were crucial in offsetting the property owner's taxable income, effectively reducing their tax liability.

The only stickler to watch out for is if you aren't reinvesting the money back into your business (you would have to double check the tax law on what that curtails) the interest on that loan isn't tax deductible. 

These qualifications allow property owners to treat their rental income as non-passive, which opens up tax-saving opportunities such as deductions for business expenses, depreciation, and bonus depreciation.

I'm not a CPA but here is what I see as the pros / cons.PROSYou could potentially take more deductions as operating expenses. 

Yes, you can potentially use a bad debt deduction to offset your taxable income, which can indirectly reduce the impact of capital gains.

You pay them interest, which can be deductible at your rental level.