"AutoTracer" writes:
BTW I am considering this upgrade myself, can I ask how much $ it was and
how long it took. (ballpark, I know it has no real relation to my situation)

I had it done as part of a larger piece of electrical wiring and
upgrades. But all-in-all, I would estimate it took 2 people about 1.5
days. Materials were maybe $1000 -- so all in all about $2k which is
relatively cheap for my neck of the woods for upgrading an older house
from 100A to 200A