For example, oil and gas partnerships.

Gas stove and hot water heater in the bus run off of bbq propane tanks.

Immediate addition of a 2nd gas meter / boiler to remove that expense, and change lease terms / sign new tenant at market rent.

Gas station?

Depends on size, brand, type (electric, gas, electric heat pump style).I just replaced my gas one at rental and I went with the 12yr rated one and bought the Allstate protection plan for $69 that gives me 5 more years after the 12 yr manufactures warranty. 

Hi @Javier G., as Lisa mentioned above, BiggerPockets offers a variety of forms for members.

My 120 yr old 4 flat once used gas lighting.

High gas prices, high interest rates, high food prices and now a slumping housing market.

Don't think the garbage And gas company will pay you money for their services.

I also offered to buy silicone ice trays2) sprinklers don't water the lawn evenly causing certain area saturate with water: repaired3) basement shower head occasionally dripping water: repaired 4) master bedroom ceiling light/fan turned on by itself at nights: repaired5) gas fireplace flame is smaller than optimal: ignored6) water accumulating on window wood sills: turns out they set humidifier at 60% indoor causing condensation7) Kids bathroom toilet water tank - slow water intake: repaired8) unused rifle bullet found on the sidewalk - tenant was very agitated: I went to the sheriff's office and was told it's hunting season and someone probably dropped it. 9) Washer making loud metal banging noise. - Manufacturer attempted to repair three times and eventually I managed to get a new washer under the warranty, but the delivery was such a headache because tenant refused to let us in if they were not home.