For your rinse and repeat househack plans, discuss this with a knowledgeable lender.

This is fairly common within the industry and a way to reduce administrative costs considerably since you’re not repeatedly negotiating the base terms and conditions of the contract.

Repeated late payments is often a sign of bad things to come.

Things like credit, DSCR, ltv, and prepayment penalty will affect rate ranges  

This won't affect the investors transferring builders though, and allowing the investors who want to finish their homes do so. 

Then, repeat the same they year after. 

Velocity of money, or speed in which you can complete a BRRRR investment and repeat, is key to success, and refinancing with the shortest seasoning requirements is highly important.Loan terms and interest: Cash flow is also an important consideration for a refinanced rental property, so attaining a low interest rate, as well as other aspects of loan structure (term, amortization, or interest only, etc.), plays a big role.Generally, there are three main refinance options for BRRRR method investors: Conventional loansBank/credit union loansDSCR loansConventional loans are generally defined as loans originated under GSE (Fannie Mae/Freddie Mac) rules and guidelines and securitized.

How does having vs not having the deed during the several years of mortgage paydown affect my risk? 

My oldest daughter will be at kindergarten age around the time we would be moving.Do you plan on repeating the process or are you going to stay put for the long haul?

Rinse and repeat a few times and you'll be set.