Puppy advice and guidance please!

Hi! I’m an owner to a 3 month old border collie male. I’ve posted on this thread a couple times for guidance about puppy blues, thankfully this isn’t the case this time and I’m just looking for some help as well as some advice and guidance on training and timelines.

For example:

-with crate training what’s the timeline on how long they can and can’t be in the crate for each month/ year old they are?? (He’s currently 3 months old but I can’t trust him for longer than the current 60-90 minute intervals he has outside of the crate every 2 hours (when I’m home) not to chew, consume, break ect… however I also understand that he needs to be able to be put to learn and train what he is and isn’t allowed to do??)

-I’m also struggling with potty training him outside of the crate: when his in the crate he’ll bark or whine in some capacity to ask to go potty (he also sleeps through the night with no problems and it’s a minimum of 10 hours without a potty break during the night) however whenever his outside the crate, wether that’s my room, the living space or whatever he will just go potty, and I understand looking for the signs like sniffing and pacing and restlessness but it’s so hard with him as he’s constantly sniffs and paces to get used to his environment and looking for food (he still does this a lot as we have two cats that he constantly sniffs for their scent and their stuff and we also just put up Xmas decor which has also increased his sniffing, and pacing to acclimatise to the new changes and scents) we do positive reinforcement every time he goes potty outside, if he starts to go inside we attempt to immediately take him outside so he can continue and get treated and if he does go inside he obviously doesn’t get treats and we ignore it, clean it up (as my research has told me to do) this has been happening since a week after we got him as by then he would know to signal in his crate but won’t outside of it, and nothing has changed. Please advise is extremely needed!!???

On another note training commands are a work In Progress he knows a few, but doesn’t know them by word just be actions and with a treat reward but that hasn’t been to hard but I’ll probably post asking more about that in the future as I’m going to be attempting to train release, stay, heel, and recall for when his able to go in public and on walks (he’s obvi not fully vaxed yet) however I do need some advice on teaching impulse control, I’ve been trying for ages now but when it comes to any kind of food which is the only thing we can use that excited him enough, he just won’t, because of how he reacts he nearly ends up hurting himself with how he literally throws himself around, it’s also why I can use a leash or collar holding to help, also some info that can help us he doesn’t know how to stay for the same reason, so help os greatly appreciated?!!??

Anyways sorry for dumping all this I just need some advice, and I’m a yapper so sorry for all the extra unneeded info, hava a great night and or day