For example, by making them responsible for the first $50 of every service call similar to a health insurance co-pay. 

The property tax rate for the resales we target is 0.55%.Comparative Vacancy CostBelow is the comparison data for a minimum-priced new home and the typical-priced existing home our clients buy.New HomeResalePrice$550,000$400,000Interest rate3.99% (the rate you stated)6%Average stay1 Yr5 YrTime to re-rent3 Mo1.5 MoProperty tax rate1%0.55%Down payment25%25%Loan term30 Yrs30 YrsNew Home Ten-Year CostTo keep the example simple I did not include insurance or maintenance.Debt service (P&I): $1,967/MoProperty Tax: $5,500/Yr (1% x $550,000) or about $458/MoTotal monthly cost: $2,425/MoVacancy cost:Turns/Ten Years: 10Months vacant: 3 Mo x 10 turns = 30 monthsVacancy cost: 30 x $2,425/Mo = $72,750Resale Ten-Year CostTo keep the example simple I did not include insurance or maintenance.Debt service (P&I): $1,799/MoProperty Tax: $2,200/Yr (0.55% x $400,000) or about $183/MoTotal monthly cost: $1,982/MoVacancy cost:Turns/Ten Years: 2Months vacant: 1.5 Mo x 2 turns = 3 MoTen year vacancy cost: 3 x $1982/Mo = $5,946(The vacancy cost comparison is $72,750 for the new home versus $5,946 for the resale.

(For example, some GCs take money they got from you for the plumber and spend it elsewhere, leaving the plumber at least partially unpaid)

AI often uses realistic but nonspecific examples to sound credible. 4.

I’m focusing on the $100–$200 total profit "Safe Base Hits" that actually pencil out today without needing a major rehab.Since you mentioned 46218 and 46205, do you have any current examples of properties—on or off-market—that actually pencil out to anything near $400 a month net profit using those conservative stress test numbers?

I continuously struggle with Tenant Turnover, for example its 4-6 weeks vacant or there is always something that goes wrong.

For example, thoughts on per visit handyman consult payment, vs ongoing fee (for example, 5% of rent monthly covers all calls and diagnosis?

So if, for example, you have a 610, 625 and a 635, the 625 will be used to structure the loan.

For example, someone make look at an MLS listing as a "Buy & Hold" and thing it doesn't make sense.

Yes the numbers are fictional, it is a rather optimistic example to be fair.