Randomly on AirBnB:
https://www.airbnb.com/rooms/5243206...-17&s=RJGI51cZ
Like I said, depends on the condition of the elderly! I'd certainly not want to stay there... but if you're pinching pennies, there are options.
Seriously though, look at Bridal Tea House / Caritas Lodges and one more.. (not optimistic about about at all) is the T Hotel run by the VTC (its their training hotel) and they randomly have reasononbly priced rooms / special offers.