Or subs or property managers who run off the rails. 

A lot of investors who succeed in EC know the tenant base very well and a lot of them self manage.

I'm not counting those since I don't manage them, but I typically avoid cities and states with laws antagonistic to landlords.

Without accounting for management fees (I have not yet decided if I will try to self manage), and with planning to raise rents to typical market of $825 for each of the smaller units, and $1200 for the larger unit, does this seem like a worthy first investment? 

It's an estimated cash on cash return given current rental rates subtract expenses assuming 7% interest rate, 10% management fee, 5% repairs, 5% capex and other expenses like mortgage, insurance, tax. it's a estimate to tell you what properties to analyze vs ignoreyou can see the are pockets of negative returns as well as pockets of positive return. this is to supplement the data @Devin Conley provided

Your account structure depends on your goals for growth and if you plan to self-manage or hire a PM.

that we’ve learned in our 24 years, managing almost 700 doors across the Metro Detroit area, including almost 100 S8 leases: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.

And you can do it with little cash, 5% down conventional is better than 3.5% FHA.House hacking also gives you a chance to cut your teeth in all major skills: analyzing deals, buying process, financing, working with contractors, advertising for rent, background checks, property management.

Truly Passive: No management, no tenants, no repairs, just consistent income.3.

And if you are need of MTR management services, my company, Island Stays Hawaii, provides premier STR and MTR management services.