First Issue, three vacancies.

There are three ways you usually remediate charring.  1) Replace 2) Dry ice blast or 3) Seal (but not with paint)

Three are VA loans. 

Here in the Pacific Northwest any exterior (stairs) wood  rots quickly, so I choose to put my stairways inside.  1000sf for cars, 1000 sf on top, three rooms and full bath.

Again a real reduction of taxes.My favorite of all time though is my client who did a 1031 of a farm and bought investment properties in each of the three cities where their children lived (tax deferral). 

As for the insurance situation, @Jaysen Medhurst is correct, that your insurance company will be concerned that you're using the property in a way that it wasn't technically intended, even if it's property setup for a three unit per building codes.

Consult a Realtor, contractor, property manager, or lender, and then request referrals for the remaining three.

I'm three years into the balloon.

Depending on your method, I will use your 100k of cash to invest out of state, like Alabama, to buy two to three properties (leveraging the loan and cash flow) or purchase an Alabama house in all cash (higher cash flow).Keep on renting in the meantime.

.), 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.