Potty Training Update

So I think the potty training is going good. He has had less accidents today and yesterday.. but he also went 5 hours without peeing, and then had 3 accidents right after that yesterday, and they were all after Steve woke up. I think he is really learning to hold it. Simon does not like going poop on the potty and hasn't really done it yet. He's finished it off on the toilet, but he hasn't started out on it, at least since we actually started officially potty training, he has done it in the past. But yeah, he is good at holding it. He also stays dry during his naps which is nice since we typically take them on the sofa together and half the time he is in my lap.
He held it all through a movie today, and I was getting nervous thinking he should be about to go anytime, and I would push pause during it to show him the movie can wait and going to the bathroom is most important, but he wouldn't go. As soon as it ended I stopped it, and looked at him, a little wet spot was starting to form on his underwear like the pee was starting to leak out, but he still mostly had control, so we ran to the toilet and he sat down and went pee!
I think his biggest motivator though is the "potty snacks," he gets a pack of fruit snacks every time he goes. I think as he gets better we will cut it down to like 4 fruit snacks every time or something like that. I am trying to motivate him to go poop on the toilet by using marshmallows, but I just started that today, so we will see how it goes. Also when I go to the bathroom I make a big deal of it, and I get potty snacks too, just to try to be an example to him that if he goes he gets treats. He liked the sticker chart the first couple days, but now he doesn't care, he just wants fruit snacks!
I'm not really sure how trained he is, he isn't good at telling us yet, so I still haven't decided if he should go to Cindy's tomorrow armed with pull-ups, I'm kinda nervous about it and don't want him to regress by wearing the pull-ups and not being able to feel it when he pees and wets his underwear, I am just going to have to call her and see how much she wants to deal with with the whole underwear and peeing and accidents thing. And maybe promise to shampoo her living room carpet when I am over on Sunday! I will keep you updated, it seems to be going well if you ask me, definitely a lot of improvement since we started, I just need him to tell us when he needs to go.