If you run a lending as business, your interest will convert to ordinary income and could be passive based on your involvement.

It's also important to be aware of any deed restrictions or covenants that could impact your intended use of the property.A Personal Anecdote:I once assisted a client in Omaha who purchased a Freddie Mac home intending to convert it into a rental property.

This includes converting it to a rental property or refinancing into a different kind of loan. 

This seems like a great opportunity to take abandoned strip malls or motels and convert them to residential.

This then creates the opportunity to access that cash flow (converted into principle) via tax free refinances! 

Well it will need to be life changing events like having kids, new job, divorce, taking care family members etc but the rule of thumb is to live there for at least one year then being able to rent it out and converting it into an investment property.

Additionally, I’m considering converting a garage into a bedroom.If I want to list these properties on Airbnb, I understand I’ll need to obtain the following:• BTR (Business Tax Receipt)• CU (Certificate of Use)For these, I’ll need to undergo a city inspection.

The Mastros had been living in an apartment in a recently converted 1840 mansion in a hamlet called Marceau in the hills above the town of Doussard, France."

It seems like your ROI is basically the same in each option, but you are taking on a much bigger project to convert a single family to a four-family.So basic calculations, since we don't have a full financial picture, i.e. what does financing of each look like?  

I would like to pass on a little bit of useful information for anybody thinking of converting their permit over to owner-builder. 1 - You will not be able to sell the property for a minimum of 365 days from the date of issuing of the CO. 2 - The property must be for the owner's own use and occupancy and not for sale or lease which means you will not be able to rent it out. 3 - The owner-builder must ensure that all employees working on the project have the required licenses.4 - The owner-builder must provide worker's compensation as required by Florida law.5 - To apply for the owner builder permit, you must physical visit the building department.There are others requirements and conditions, however these are the main items.