Uber for hiring a undocumented worker/day laborer. Sometimes I hire these guys[0,1] and I have to go pick them up [2], try to find one that speaks decent English, negotiate pricing, explain the job, and manage the quality of work[3].
There is actually a huge potential to improve the worker side of the current status quo. Right now, these guys have a ton of idle time[4] and there is a pricing opportunity[5]. There's a lot of other opportunities in this, I've been mulling it over for the past few years, I can build it just don't want to market/grow it[6]
[0] for projects that I don't necessarily need a contractor for
[1] or, work that a regular contractor doesn't do, like; my lawn guy doesn't clean gutters, my housekeeper doesn't clean windows
[2] taking them home is worse - they're probably dirty & sweaty and I don't that in my car
[3] can't have high expectations, these are generalists don't expect them to do high quality tile or carpentry
[4] they sit in front of hardware stores for hours just waiting, some days they have no work, there is never a guarantee of work
[5] they would take less money for guaranteed work, they could build a reputation and charge more for work, they could have their own transportation; saving the buyer the hassle of playing taxi service (often the buyer is a contractor, not a lone home owner like me)
[6] if you do, let's talk