By keeping them MORE than 2 years, I better the amount of vacancy I budget for.

I.e. even though you need to submit draws for any rehab funds, you will get charged interest on the full amount each month.  

Confirm the amounts are consistent (there's that word again!).

:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

As for your neighbors, they could have exemptions like Homestead, widow, military disability and many others that can reduce the amount of taxes.

. --- We haven't seen a S8 inspection report in over a decade that required a tenant to fix damages they obviously caused.

I’m curious, what’s the most creative or unconventional strategy you’ve used to structure a BRRRR or Fix-and-Flip deal?

I don't let it bother me - I fix it up, re-rent, and move on.  

if yes then you got the answer, an appraiser will never come in with the proper value of A turnkey, because they rely on local comps even though those comps need much work and the principal is already done and cash flowing.2- These turnkey sellers usually purchase there properties for far below market value, if this is the case the appraiser might appraise for A lower amount due to the previous sale on the property.I don't know what turnkey seller specifically you are talking about of, but if their customers are happy then you got your answer, if their customers claim they were ripped of then you got the answer as well.

These loans are for a minimum $100K to $1-1.5M (different loan guidelines depending on the max loan amount).