Or, source some creative financing and just get started and learn from your own mistakes. 

Don't mistake thinking the total cost (principle, interest, taxes, etc...) as being the same thing as "your" cost. 

Worst case have the seller reimburse you for a 2 year life insurance policy on them for what the home’s worth. 

Mobile homes are the worst investment I ever made.

Worst case they say "not interested."

And why would selling it be a mistake if that was your plan in the first place?

Otherwise flipping is the worst possible tax treatment ordinary income That you owe fica etc as well Is your 1040 tax rate.For this reason many high volume wholesalers and flippers that CPA's generally suggests over 70000 net per year warrants doing this activity inside an s corp.

Zillows failure of their iBuyer program is due to their mistakes, not due to a flawed business model.

The process is easily a 6-week+ nightmare (all while collecting no rent at best...Or paying for alternative accommodations for your tenants at worst). 

If you want to build a good portfolio of highly profitable STRs, buying a 3 bedroom or making compromises on size and location when in 6 months you can save up enough to improve both, feels like an early mistake.