Find the ones that can do it, and it also helps if you have separate contracts for the lease and the option. 

As a general rule, each entity that files a separate tax return (partnership, s-corp, c-corp, etc) will need its own QBO subscription.

Also if the house needs rehab, how are you going to fund that.Is it deeded separately?   

You may want to get a GoogleVoice number to separate from your personal number.

Are there separate mechanicals for each unit?

Quote from @David Contreras: How difficult is dividing land that used to be separate, but is now a large lot as a result of a voluntary merger by the previous owner ? 

HI Henry,You would want to make sure your county allows you to condomize it so that you can two separate parcel numbers for the main house and the newly built DADU/ADU so that you can get appraised separately.

Lawyers, police, emotional stress, your name associated with a shooting, stigma on your building, opportunity cost by being distracted, possible jail time... none of that is good for business.

Actually here in Texas we can separate the surface rights from the minerals. 

Using a lower-cost skip tracing service and then a call/mail/sms campaign service separately may reduce your costs.