First flip with good margins and intending to do more in the realm of real estate?

welcome to BP and the forums @Frank Oliver I hope you find it as eye opening and supportive as I have over the many year's I've been participating. 

Focus on getting your finances in order, setting achievable goals, and finding a mentor or local real estate groups to guide you.

I’m considering buying a plot of land in the Cleveland area and getting a manufactured home (duplex if I could find the right zoning) put onto a permanent foundation to use as a long term rental. 

Regarding the tenants who use the program that too my friend is a mixed bag. screen, screen and screen some more!  

Quote from @Quinzel Waiters:There is so many times a seller will say it's worth this..

Quote from @Ram Ranga: Check the above toolbar, 4 in it shows property managers, this will get you a few and you can request their information.  

Quote from @Levi Perl: What would you do in this situation?

Investment Info:Small multi-family (2-4 units) buy & hold investment. 3 unit apartment complex What made you interested in investing in this type of deal?

I'm an investor in Los Angeles.