It will enable you to continue living for free while your residents pay off your mortgage for you.There are several turnkey companies in the middle/southern part of the country where you can buy high quality single families for under 275k in landlord friendly states.

The others category of investors who succeed are those who identify real estate that can emerge from C/D neighborhood status and use the voucher recipient tenants as the lesser of two evils until the neighborhood can attract better quality tenants.

@Michael Belz Photos are the only marketing you have when it comes to Airbnb... we onboarded 3 large homes in upstate NY 1.5 years ago, we brought in models, candles, throws, extra decor and the properties are beating their comps who had nice quality but un-staged photos by around 18%.  

In your experience, do higher-quality videos result in faster sales or better offers, or are they more about building long-term brand recognition?

Knowing a ball park figure can help me pick a price I will see if the homeowner will accept because there is alot of needed work)What kind of project planning should I do to make this an efficient project and reduce cost but keep quality?

This should generate 1-2 BRRRR opportunities based on the quality of the list.

What quality neighborhoods are you thinking of?

It might help you out if you're a hammer swinger type guy who can produce workmen like quality results versus homeowner DIY results.Someone who has been in this business for awhile , and brings a lot more knowledge , and contacts to the deal we'll have a lot better chance at performing a turn around on the property then to someone who is new and inexperienced. 

How do you typically balance cost versus quality when outfitting a property?

I'm not the person to answer your primary question on the quality of investment opportunity - but I'm sure other will chime in.