ALSO they have regs on rooming houses only allowed in specific zoning, similar zoning as for hotels;  only on main streets in business districts AND you have to apply for licensing and blabla as for a hotel..That said;  there is a small movement supporting rent by the room as a small step toward solving affordable housing. 

Quote from @John Williams: I recently bought a home that has an attached dwelling unit where Im planning to move in and rent out the main unit.

I definitely plan to make that my main focus!

Yes, mainly looking in the $30k-$100k range (I know anything under $65k is a bigger project).

The main one is running your business well.In my experience better than 80% of lawsuits are settled out of court. 

There are a lot of other issues, but for you as the owner, the main one is usually do you have to have the current tenants out to build (no income) on to the existing property or are you going to do a knockdown new build?

When rented, we lock all interior bedroom doors aside from the bedroom we are renting by the room and sync the calendar with the main house's calendar.

I don't buy from assignors for two main reasons...liability and fictitious numbers. 

You'll see your reviews in the main body (both yours as a guest and as a host).

Our house is in the R2 zone (4 blocks off main) and the process to transfer the permit back in March was a breeze.