We will never have the right answer; everything depends on your circumstances.

some gurus teach this method.. thats all this is.. seller is going to have to pay inputed interest to the IRS though.. to me it would depend on down payment..

It depends on the lender.

I work with several investors in the area. and a deal for one will be different depending on what you are looking for.

The home is in a C- to B neighborhood, depending on the person.

Have contracts that provide working days per task and include the overall construction schedule.

The best way to estimate expenses is experience and knowledge of your specific asset type and market.For vacancy, that will depend on your market and the quality/desirability of your type of unit.

This might be better if you’re uncertain about refinancing or want to keep more liquidity for other opportunities.Since you’ll move in 5 years, it really depends on how confident you are about refinancing.

But strictly going by the numbers, it's borderline OK, depending on the type of market.

Ultimately, it depends on your goals (low rates, fast turnaround, etc.).