Build a 4 unit since you or your buyer can get financing easier, now or down the road.

At inception there is usually an option fee paid buy the buyer, which is not refundable.  

There are a lot of people jammed into this house and that basically keeps my rent very low.

I specialize in assisting first-time home buyers to achieve their ultimate dream, as well as supporting real estate investors in understanding their markets to capture their highest rate of return on their investments.

This means that before a potential buyer is allowed to enter negotiations, and certainly before sensitive financial information is released, the seller and or his agent will want to be convinced that the buyer has the ability and willingness to complete a purchase.  

You'd want to be on @William Allen's buyer's list for sure.

I see advertisements for parking spaces for sale in Chicago regularly that say something about the fact that it currently has a renter with a lease and the buyer would have to honor that lease until it expires.  

My company is a buyer and private lender of lower $ ARV SFR properties throughout the U.S.Wishing you continued success.

You basically can reach out to commercial brokerages, developers, architects,real estate agents alike and anyone interested in the area and property.

I've you are sincere about buying, but the agent isn't interested in working with you, they've just shown you that you need a better agent.Personally, I've never had a problem with buyers looking at tons of properties or sometimes take over a year to make any offers.