But if the market rents for long term rentals don't support the returns you would like to see then I think exploring things like traveling nurse or furnished rentals are worth considering. 

He collects the data and sends it out to hundreds of different lenders.

I am in the process of exploring the raw land/developable land buy and sell side of things.I am wondering if anyone would have a referral for a real estate lawyer who is fluent in seller financing/ The SAFE Act, and Dodd Frank regulations?

Really solid data and they have insane accuracy rates. 

To come up with its list of boomtowns, SmartAsset evaluated data for 500 of the largest U.S. cities.

So if you like to use API's or get data in/out using automation  or external tools you can't, at least not through an API. 

Do you know where I could find rental collection data? 

(3) Do I have other options besides conventional/FHA that are worth exploring, and not having ridiculously high Interest Rates?

It's hosted by Think Multifamily, and it's going to have a ton of education AND great investors and operators. you can go, learn more about the industry, connect with like minded people, and see if it's something you'd like to explore. https://thinkmultifamily.com/f...Let me know if you have any questions.

Too many good options to go over here but after a quick reading of your data how about -  1 complete the ADU and move in / 2 rent out the house / 3 cash-out refi / 4 purchase next property  - you get good cash flow on this prop and plenty of capital for your next one.