Water leaks, problems under the trailer ie insulation falling, a tub cracking, a new roof, frozen/cracked pipes (usually in January- and plumbing companies simply will not respond to mobile homes), rotting siding, bad exterior doors etc. 

Also the metal duct work in crawlspace has leaks which tapped by one HVAC contractor.

Water bill triples so they want to check for leaks, too many cars parked in the street. 

Make sure under the sink there at least a big piece of plywood that can take a water leak.

As for the origination of the leak, it is your responsibility to provide proof that the leak originated in my unit.

Further Evaluation (Professional based)Comment 2: Yard wetComment 23/24/25/26/27: Electrical WorkComment 4/5/6/7/40: Glass repairs/sealedComment 28/29/30: Hvac repairsComment 49: Chimney inspected/cleanedRepair (Handyman based)Comment 3: Vegetation removalComment 12: Leaking hose bibComment 13: Sewer cap replacedComment 19: Door knob replacedComment 22: Replace all batteries in smoke detectorsComment 38: Replace clamp in sinkComment 39: Replace dishwasherComment 41/48: Dry wall prepareComment 44/47: Door repairHave you decided on a property manager yet?

Some reasonable- a roof and ceiling repair from a major leak... some not so reasonable (they literally made me escrow the cost to add a deadbolt to a door).

(How good is it if your password are leaked?).

Apparently there was a roof leak which has been fixed but the seller didn't want to spend the money to fix the ceiling.

The water department told them that they were seeing continuous usage—AKA a leak.