For the type of things that you are looking for, a mobile tech would work well. I know this is not 'just around the corner', but I have used Town and Country Mobile RV that is located in Olive Branch, MS. The owners name is Barry Smith (cell 901-859-4446, shop 662-890-1623). He came out to my site in Memphis to replace my Red-Hat valve and service my Aqua-Hot. My Aqua-Hot has never burned cleaner than after this guy serviced it. I was very impressed with his work.
My brother took his unit to Barry's shop in MS to repair his slide and to finally, I mean finally, get his satellite to work correctly and all the connections in the right place. I think for couple of years my brothers satellite was not working. It just needed the right person to work on it.
Good luck,
MM.
Mr.Mark
2021.5 Pleasure Way Plateau FL Class-B on the Sprinter Chassis
2018 Mini Cooper Hardtop Coupe, 2 dr., 6-speed manual
(SOLD) 2015 Prevost Liberty Coach, 45 ft, 500 hp Volvo
(SOLD) 2008 Monaco Dynasty, 42 ft, 425 hp Cummins