It's reasonable to offer options to low-income retirees, for example allowing them to defer property tax payments until death. Texas does this, it works alright.
Note that a single family dewlling on .75 acres likely costs the government a lot of money to provide services (plumbing, sewer, electric etc) and is likely already a net debtor to the city/county. This style of development is why American (and Canadian) cities are going broke.