Managing tenants: In my opinion, self-manage is stressful, but if you have the capacity to make it work, I would highly recommend it.

I would highly recommend you create an LP agreement.

The PMC I left to start my own PMC had at least 2 "preferred contractors" related to key players in the office so high rates and poor service fell on deaf ears. 

Highly reccomend joining local investor Facebook groups.

You have to have exit values of single family homes high enough where build cost can work.

Rate will be highly dependent on loan size, credit score, LTV, location, and property type, as well as a few other factors.

There are two types of return from a rental propertyCash Flow & Appreciation.I normally also aim for a minimum of 8% return between Cash-Flow and Appreciation.Appreication, nationally, is around 2% to 3% annually.Therefore, your goal is to get the cash-flow to be about 5% to 6%.The issue is interest rates being very high, you would therefore, need to buy at a pricepoint where the numbers still make sense.You can always put down more of a downpayment to cash flow, but that will impact your cash on cash return calculations.Best of luck!

There are numerous threads about sub to and many investors believe it is a high risk strategy (especially for seller) and believe buyers who use it “take advantage” of naive sellers.  

You are going to be great through the highs of the next few years after this year.

Yes, they have some high fees but all and all such an easy process.