Not sure how this is going to work, even the standard service is completely booked until next week at my local Walmart, unless they'll reserve some drivers for the 2-hour service.
> maybe $50 a day before expenses
If the alternative is homelessness, people will take this offer. And don't forget, there's entire groups of people who do dangerous jobs daily with little thanks (builders, bin men, etc..) so I don't think they'll have a problem filling these spots.
Instacart is paying ~CAD$30 gross per shopping trip but seems riskier and more annoying so I haven't hopped on that.