You could do something like "Hot Tub Paradise on the Lake + Game Room & EV Station" or "Lakeside Haven: Hot Tub + Game Room (Tesla Ready)" would work great as well. 

There are a lot of local meetups in Northern New Jersey that you can find in the Events and Meetups section of the forums as well.

Congrats on orthodontic residency, though I know residency will be time consuming as well. 

I think you have a good plan, BRRRR is still a great route in the current market, and especially for the states you are already in - both Indiana and Georgia are very well positioned for BRRRR deals in my view / experience

According to your numbers, I would say to keep it as a STR but as a few others have said, look at different vacancy rates as well management fees.

I've attached the median list price for Detroit here as well to compare to something like Cincinnati. 

If you are single or married with a small child, buying a duplex or 4plex should work well.  

Key properties is in that area so it’s working out very well.

Perhaps this is their argument as well?  

$77,000 earnings on a $190,000 investment is unheard of in real estate, but quite normal for a well running business.New RE investors are always after cash flow and CoC return.