How much does suspension repair and rotor repair cost

Sway bar links probably not good, buy a pair of new ones , If you are good with tools don't take the vehicle to the shop, this is a very easy job, if youre not to agil with tools, just take it to a shop and have them put grease fittings to them and to all the links and ball joints, this will make a huge difference.

You need to get your car to an alignment shop or a GM specialist to tell you what's wrong and give you an estimate. Do it ASAP, sounds like a safety issue. If you want to find a specialist, here's a directory link for you: https://repairpal.com/chevrolet-repair-in-new-orleans-louisiana