The goal is to get the loan and agreeable terms, not have it called something special.

In fact, there're several "layers" of restrictions, including "at-risk" rules, basis rules for pass-through entities, hobby rules, new (as of 2021) "excess business loss" rules, special rules for Section 179 and business interest, self-rental rules, vacation homes rules, and more. 

I am a full time real estate agent that specializes in luxury and residential - you never know how our two worlds could collide.

Timeline: Start the process early to avoid issues with your hard money loan coming due.You should reach out to lenders who specialize in investment property refinancing.

You cannot charge one dime more nor a "pet fee" because service animals are NOT pets.If the applicant wants special features such as a wheel chair ramp, etc they MUST install that at THEIR expense and you can require them to bring the property back to its original configuration at the end of the lease at THEIR expense. 

Sure, you can make your unit extra special through design or amenities but when most of your competition is similar in size/shape, those extra items can only warrant so much of an increase in ADR. 

This is specialized commercial. 

Said differently, you won't need a special ADU permit to create an ADU.I'm interested in potentially purchasing a single-family home in eastern MA (Norfolk or Middlesex county), and doing this exactly.

I work closely with 7 or 8 investors that all specialize in fix&flip as well as "fix&rent" type loans and can help provide insights and rate quotes/cost total estimates if needed!

However, you need to learn about it specially the legal aspect behind it so you comply with the SEC but yes, it is possible you can buy properties without using your money.