Easiest way is to look at the MLS and see how long it took for a property to rent around the property you are interest in and what the rent rates are. 

I would say it is not the easiest thing to do and requires the borrower to have a deal with enough spread to allow for such high leverage and the borrower should be prepared to offer much more than 3-4%.

We're selling off a couple, keeping the easiest to manage, and using that capital to throw gas on our other fire. 

hi Sean we live in Ontario and have been investing in the us for 7 years. we did a lot of looking but are now settled in investing in toledo and Detroit. the numbers are solid and its the easiest place to keep an eyes on things. remote is possible for sure but things seem to go a bit better with a wee personal touch.

If you own it outright you could do creative financing, but more than likely selling it the typical way would be easiest/best IMO. 

I believe that is the fastest way and easiest way to get a judgment too, correct?

The easiest way to do this is to shop multiple groups, but like hiring any contractor, less expensive doesn't mean better.  

The easiest way to avoid it is to include all services in the rent and estimate use for each unit, based on square footage or number of bedrooms, bathrooms, etc.  

Also, it seems like you are looking a gift horse in the mouth here.

The easiest way to ask a buyer is to visit large footprint new home builders model homes.