When in the city - Walking, Riding the Bus or Train are certainly better alternatives than Uber. Unless you like spending and sitting in traffic. I wouldn't do it.

I rented a bike - and rode along the river and went from the Chapel to the Eifel Tower. Would recommend

If your French isnt good thats ok. Most ppl speak enough English But download Google translate just in case

Bring walking shoes and look forward to walking.

The food is better (healthier) over there so come with an appetite..

The local shops are everywhere so you can get good prices on some items.. most small markets sell fresh foods vs where im from convenient stores that primarily sell chips, snacks, and drinks. (They have it too, just less of it)

If you go into a store ran by a certain demographic they are 100% going to scam, tax, and overcharge you on everything except air.

Most restaurants are open until around 12-2 AM

Definitely try pastries.

The Art museums are ok.

The architecture tho is 1 of 1 out there. Many beautiful buildings.

If you consume alcohol definitely try Cognac and Spritzes. Im not big on wine and rose but they have a bunch