Chrome Extension Developer

I have around 60+ chrome extensions and I want to update them. All are working similar and their work is to do auto checkout on different websites. Also I want to change the manifest version 2 to version 3 compatible. Only serious and experienced developers can bid. Please check our website https://mostadvancedbot.com/ to know what are the extensions. Please quote your prices and time need for 30 extensions then we will talk for rest 30.