Upgrade Meter Box Help
My opinion is not that this isn’t a DIY project, but rather it’s not a project that should be taken on by someone inexperienced in this magnitude of a project without qualified help. Talk to your inspector. They are loads of information. Treat him/her nice and be upfront, and I’ll bet they’ll be more than happy to help with your questions. After all, they are the ones that are going to give you your final ‘ok’. (I’m surprised KCTermite hasn’t chimed in yet)
Also, talk again with the electrician you had out there. Maybe you can pay him a fee for some of his time and assistance, if needed. Do as much research as you can, and by all means, feel free to post your questions here…there are many excellent electricians here to help.
Just because you can, doesn't always mean you should