Make sure you have a clear understanding of what LTV they will lend before you spend money on their submission and appraisals which I believe is 600.00 per deal from what others have posted.. some of the past post's the folks spend 2 or 3 submissions plus the 3k and nothing was ever good enough or worked for DHM so they lost that money.. 

Problem my debt to income is through the roof and I can’t count my wife’s income because her credit score isn’t good enough.

Maybe consider buying it for yourself also if the deal is good enough.

Or, if you find a good enough deal, use hard money for the first few.

All you can do is making the best educated guess and be a good enough problem solver once you have it to turn a profit.

You'll be better prepared, you'll have less heart ache and you won't have to deal with the struggles of some management company that thinks what they did is "good enough" while you're taking a beating in the wallet and possibly overseas. 

How do I know what to adjust for if there aren't good enough pictures on Zillow?

While you are at it be clear about what your goals and objectives are for doing MF in the first place-and no, I want to quit my day job is not good enough!

The only way I'm wholesaling something is if it requires financing I don't have, it's logistically too difficult for me to rent or flip, or it's not a good enough deal to meet my requirements.

I know a lot of landlords that just send certified mail so thats probably good enough.