A couple of years ago, I had a cleaning woman who used to drive my blood pressure up on a bimonthly basis.
Every time, it was something different. She canceled or switched her day a few times due to some issue with her son. Other times, she would leave me these notes, saying anything from "I need more money for the day I just cleaned" to "I can't clean the microwave, that's extra" to "I don't want to take your trash out anymore." I used to dread her little notes. She never did the dishes. I mean, we had a dishwasher, so occasionally, there'd be a few spare dishes in the sink. And she'd just leave them there. That's the ultimate insult--to pay someone all this money to clean your house, and then you come home to dirty dishes in the sink.
I let it go on because she'd come well recommended so I truly believed that this was the best cleaning people could be. Now we have an actual decent cleaning person and not one note in nearly two years complaining about something he didn't want to clean.
Anyway, after this woman acted like a complete flake for several months, one day she left me a slightly different kind of note: it was a photocopy of her BLS certification, and an offer to babysit for me if I wanted.
Right, because you've already proven yourself completely unreliable for cleaning my house. Naturally, I'd trust you with my child. If she had a dirty diaper, I'd probably just find a note stuck to it when I came home, saying she didn't change those.
It amazes me how people will act like total flakes and then expect you to hire them for childcare. That is one thing I won't do. When we were looking for nannies years ago, we scheduled two appointments on two different days at 3PM. At 3:15PM on the first day (late), a nanny showed up. Except it was the wrong nanny. One of the two nannies showed up on the wrong day and the other didn't show up at all! We literally ended up hiring the first nanny who showed up at the correct time and date.