off the top of my head 3-5k 2-3 days complete upgrade.
Okay, since people take everything out of context, I'll be a little more clear. Anything before the main breaker is not so easy, but you can do 10k with 120amp service.
Running a sub panel IS armchair handyman stuff. All you naysayers should try the empowerment route. Always tell people what they CAN do, not what they can't.
This is easy:
Wow...A service upgrade is not for amatuers. The last one I did was an overhead service drop. Panel was trashed and needed to be replaced.
1. pulled permits
2. called utility to cut away the service from the mast
3. waited for a service order to be filled 3 weeks
4. changed out the mast panel drove a new ground rod
5. called for rough electrical and meter tag
6. inspected passed before utility showed up to reconnect
7. reenergized called for final inspection
8. passed final and got paid
The paper work was the hardest part. utility needs it to upgrade the drop. Need a sparky for that with a contractors licsense
Our power company requires a permit, inspection, and licensed electrician to do any service upgrades. I imagine the OP's power company does, too. I doubt he can do a service upgrade on his own, no matter what his skills.
how much did it cost? That is what the OP would like to know. who ran the wires from the pole to the mast? What did the electric company charge for that?