For example, I mention that every adult must pay a $30 application fee, pass my credit/criminal background, make a combined income of 3x the rent, and whether or not the property accepts pets.

The combination of OOS + S8 is toxic.

I’m not gonna pay someone an hours wage to tighten down a toilet bolt or literally snap a cap on bolts or change 3 light bulbs I could do all that in less than ten minutes combined.

Combine that with rates that are near high for this century.  3 things could solve this 1) RE prices fall (that would be bad for me) 2) rents increase a lot without RE prices increasing similarly (this would be bad for tenants) 3) rates fall a lot.  

To avoid problems, it’s best to add these locks after the appraisal on a turnkey purchase or after the refinance is complete.Also, most DSCR lenders will assess the property’s market rent as a single unit rather than the combined rents of individual rooms.

Left some of the character while adding modern amenities, brought it up to code, and staged it.

Some of the investors I follow like I know have a combination of both it seems like. 

I have a lot of experience with STRs being a superhost for over 10 years and I believe I can bring in 200k for these houses combined. 

My cash flow with those two paid off properties was only around $1500/month combined.

Combining your property insurance and tax strategy services (such as cost segregation) can help alleviate some of these frustrations.The most important resource for any person is time.