In Cedar Rapids, IA there is a non profit group of retired guys mostly with some volunteer day helpers that build ramps for free so maybe there is in your area too. 

@Jason Sinclair Seems excessive but also not certain what brand the windows you are looking at, the warranty, construction, tempered / non tempered, double hung vs single hung....  

Unless you are investing with non-spousal partners, you don't need it for tax purposes because the deductions are really identical. 

. $3588 is not your property tax impound no way...You may find some lender won't want to do a cash out non owner as they can't sell them, then they price higher as there is a big risk to keep for long term.Go back to your lender and ask them about increasing the rate to 4.5 and give you better numbers. 

If your concerned about conventional financing, I would look at some companies that do non-QM loans (non-qualified mortgages) i.e. asset based lenders. 

Are there any tax implications between them loaning our LLC the money as members vs non-members?

They also consider Short-Term Rentals STR as non-residential/commercial and these STRs have to be depreciated over 39 years.

I know that Utah is a non-disclosure state, but I assumed a trend toward more openness when I saw recent sales prices on Zillow a few months ago.

How to finance different ones as well in different non conventional ways. 

@Sara Walters You will be on the hook for the PITI of your home, at least for a non-commercial loan.