You mean for cost-prohibitive homeless people? For people with decent incomes, 3-5 drinks a day is easily affordable. Beer is < $1.00/drink[0] and Trader Joe's sells bottles of wine for $2.00[1].

A single coffee costs $4 before tip most places I've visited in Austin.

[0] https://www.cnbc.com/2019/02/01/how-much-a-case-of-beer-cost...

[1] https://www.mercurynews.com/2020/01/21/two-buck-chuck-return...