They buy credits and then their device sends a signal to a device you install in the laundry machine to run.

I'm guessing the answer is no due to dissimilar properties and the land contract has been in place and recorded for almost a year as well, but doesn't hurt to ask.   

Buy (new or used) typical residential Wash/Dry and equip them with coin boxes, cards, or app payment devices.

It is just that I had a device and I had site when I had that device.

The location I'm thinking of has a couple weeks during the year not too dissimilar to CES in Vegas.

Would love to connect all the thermostats in my property under one platform device and control it that way too.Ricardo 

Just a couple items that might help your cash flow... have you considered installing water efficient devices such as faucets, toilets, shower heads.

It’s a plug-in device in an open window.

I can create Branches such as NYC Branch with a set of Managers and Contractors AND the same for say, Philly.None of the Managers will see each others info in the same way the Partners cannot see building info except for their own buildings.Not only that, but it is accessible on any device, including your cell phones.

You can also use an app called "Overdrive" on your devices and computers, to get digital books from the library for free.