Actually, if location and community is so important to mum/mom, you should consider renting and buy elsewhere for investment...
BUY
$300,000 (if lucky): 5% interest = $288/wk based on 100% loan
Strata = $34/wk based on $450/qtr on a 1970s walkup unit.
Water = $13/wk based on $170/qtr...