We've targeted STRs in other areas based on factors like ensuites in every room vs the actual number of bedrooms, so size wise is less of a factor in our search. (2-4 beds, would be the range). 

contractors are busy and like to stay within a certain range so recommendations will be based on where you are.

Charging market rates gives you sufficient funds to keep up on maintenance and protect the value of your property.

Finding financing for multifamily properties in the 5-10 unit range typically means local banks and credit unions, or small balance commercial lenders.

What interest rate range do you typically offer? 

Rocking is certainly indicative of either improper installation or said installation no longer being sufficient.

We like the Wesley Chapel area and are contemplating acquiring one or two 4-bedroom, 2-bathroom properties in the $400,000 price range.

If they were to deposit it into their account, we would back that deposit out from their balance as if it never existed, which then puts them in a position where they are still not showing sufficient funds to close or reserves and won't qualify for the loan. 

He uses $1,800 for water/sewer as a default estimate for 2BD duplexes, and usually lists in insurance in the 900-range as well. 

Transaction structure in this regard can range from 30% hold-back to 1/3, 1/3, 1/3.