Its tax time so 1099/w2 or bank statement.   

Property taxes ought to also be considered.

Discuss any pros and cons with your attorney and CPA to weigh the advantages and disadvantages, particularly regarding liability protection and tax benefits.

So no tax returns, DTI, etc.

There are some construction loans that will fund up to 90% of the build costs with qualifying income but again my debt is just so high because of these other mortgage payments on my credit.Somebody help give me the answer I'm looking for so I can create this unique stay!

One thing to note, is that if you are doing flips in either Solo or SDIRA the IRS is likely to see that as running a business and you could be subject to UBIT (unrelated business tax) which scales up to 37% so it can be pretty hefty depending on the numbers. 

So you tax basis will step up to the sale price.Good luck!

Is your DSCR ratio greater than 1-meaning are you cash flowing (according to the lender's criteria of mortgage, property taxes and insurance (and HOA) if applicable).

Will interest rates increase, which in turn devalues the same raw dollars of NOI because of increased debt service costs?

Once you know what’s possible then you’d likely want to evaluate affordable housing grants, tax credits, tax incentives, etc.