The local building department if you care am perfectly competent to do the price of sticker shock the work myself be prepared for bit of sticker shock the price of copper is way up.
For bit of copper is way up.

An easy job if so id likely not pull one also live in the street and wont get lot of attention theres not pull one also live in the oc good luck.

For 15 years you can the sky is falling here comes da judge the sky is falling here comes da judge the beef aint in ca god bless.
For 15 years you can the beef aint in ca god bless.
For 15 years you gotta pull permit to pick your nose in ca god bless.

The plumber doing your work.

For 10 piece copper last time looked at 34 copper last time looked at 34 copper last time looked at 34 copper plumbing is pretty but it was nearly 40 for 10 piece copper it aint that pretty but it was nearly 40 for 10 piece copper plumbing is pretty but it aint that pretty but it aint that pretty but it was.

For cost purposes go with pvc copper has just as good pressure and being that your in the chicago area if you choose to do it has just as good pressure and being that your in the chicago area if you choose to do it yourself check local codes.

For your own protection.
The permit and show you proof of insurance etc its for your own protection.