I see them on Craigslist for what looks to be refurbished products but there are only a handful of mixed reviews.

I'd ask the seller if they would be open to it - depending on their level of sophistication you may need to phrase it differently and explain the advantages of smaller amounts of income over a longer period of time.

Whether you imbibe or not, it's pretty cool to walk into a shop and see for legal sale a product that will get you arrested in a less progressive state. 

There are several carriers which have designed their products and programs to alleviate this difficulty.

A couple days ago, I got an unsolicited sales call for a REI related product (that I incidentally have no use for) from a vendor with a profile here on BP.  

You can go to the commercial department of most banks and they have products available if they like you and your portfolio.

if you have any bill history, please check for any high's and when. then you go back and check why: a single toilet leak (flapper "melted" from bleach products) can do 3,000 gallon like nothing

Therefore I use silo / standalone products that do one thing well and have no dependencies on other products. 

If you are going to try it you'll have greater success, in my opinion, in the small Multifamily space (say under 50 units or so) where the seller's and lenders are less sophisticated in some instances.  

Then attending as many local REI meetings that do not focus on selling products.