But the device has no changeable fuse, so it's toast.

All contracts, options, or other devices not based upon a substantial consideration, or that are otherwise employed to permit an unlicensed person to sell, lease, or let real estate, the beneficial title to which has not, in good faith, passed to such party for a substantial consideration, are hereby declared void and ineffective in all cases, suits, or proceedings had or taken under this chapter; however, this section shall not apply to irrevocable gifts, to unconditional contracts to purchase, or to options based upon a substantial consideration actually paid and not subject to any agreements to return or right of return reserved.History.

I would first check to see if the coin collector device on the machines have been tampered with and if that's not the case, just kindly ask the tenants if either there is new lower price Laundromat that might have opened up or are they no longer satisfied with using your machines.

In 2018 Baltimore County is requiring carbon monoxide alarms / detectors to be:hardwired with a secondary battery backup (similar to smoke detector requirements in Balt County now)battery must be sealed, tamper resistant, and must last for a minimum of 10 yearsconnected to an on-site control unit that monitors the carbon monoxide alarm remotely so that a responsible party is alerted when the device activates the alarm signal and receives its primary power from a battery or the control unit(Ref: Baltimore County Notice with details)The one in bold specifically concerns me.

Don't waste a ton of time posting there over doing real work but you can try to get friends/followers to get some traction and you can at least post the above website on there at least.By the way I applaud your ambition and having a set time frame for your goal of getting your first deal done, I will caution you to not be unrealistic.

Signs will appear on all sorts of water using devices, and on the water heater and heating system.

Simple, reliable, accessible from any device. 

And no utility connection costs, that was paid when the house was built, so all you'd be paying now is perhaps for a new water meter (the device itself, not the connection fee part). 

We have gotten some traction and feel pretty good about it as it has some huge potential and the ability to be about a 15% return which is acceptable by most investors we've encountered in LA.

I've done this in numerous common areas (hallways/stairwells/etc) for the updating of lighting & for fire alarm devices.