Not the op, but we do use them in my house too. We use every one that we get. We can line them with paper (we collect our junk mail paper for this purpose) to prevent leaks if there happen to be any tiny holes.
Use a bag daily during dinner prep to collect all the food trash and packaging and stuff that needs to be moved to the main trash can. Also use them as small trash bags in the bathroom and bedrooms.
From googling it for a few minutes, it seems to be legit, but as it’s just a kind of marketplace to connect people, there seem to be complaints of a lot of bullshit like fake jobs being posted and stuff.
If she is serious about editing, it might be a possible first step to find some crappy jobs to help fill out a portfolio.