Maybe it depends on the market. 

Does Central Ma have a decent market to start looking for deal for BRRRR?

How much ADU experience does your contractor have in your market?  

All things equal, it seems this should perform better since it has the extra bedroom and it's only a couple blocks away from Main St.What do you think about the STR and MTR market in downtown Littleton compared to other submarkets in Denver metro?

May I ask which market are you based out of?

For a 40 unit in my market, you likely need $100,000 to $200,000 of available money to get started.  

Have you set up an email marketing list with something like Stayfi?

Real estate has definitely been a part of our journey of learning what it means to run a business, build a product, stand out in a crowded market place, (especially running airbnbs).

We own and operate in  Columbus OH market and DFW, do you recommended them?

I'm in the Reno Tahoe, Nevada area and open to network, share market information, and discuss multifamily investing.