Depending on the lender and program your biggest hurdles might be credit score and income and time in job. 

For a nice possibly furnished STR, you are looking at between $250,000 to $350,000 depending on your budget. 

Depending on what type of investor you are or want to be, there are still deals out there.

Another thing to consider, most single family bedrooms rent for 800-1200 monthly depending on the area.

Just depends on your current rate, strategy, future cash-flow, etc. 

I have heard that interest rates for a DSCR loan are generally 1-2% higher than conventional loans depending on the LTV ratio and credit score.

Midnight drunken brawls happen, but are more infrequent then you might guess depending on your screening. 

Some of my clients love the cash flow in the east side neighborhoods over by Slavic Village and Broadway selling between 90-110k with rents up to $1,800+, but just really depends on the types of neighborhoods you're investing in and your risk / reward threshold. 

Homes prices are still at record highs, some decreases-depending on the city, however, high density apartments are skyrocketing.

It depends on what your interest rates are.