Screenshot that info and read it when you can so you never lose that stuff. It’s there for your benefit. Share it with your band mates because it may help split the responsibility a bit.

If any of you has a girlfriend or a family member or a friend that can handle the phone that would be fantastic. But a professional will always give the best result it just costs. If cost is of no consequence, hire a pro and see if they will handle the video edits for y’all.

Fiver may have people that do audio synchronization. Look for someone with a good reputation (some of them people don’t know what they are doing on the low end so you have to sift through shit.) but that is a cost effective way of doing it and if y’all find someone on there that does good work stick with them.