If you receive a notice that your ham license is about to expire, then you’ll need to renew it. The best and cheapest way to do this is by doing it yourself directly with the FCC. The FCC only requires a $35 fee for your 10 year renewal. Anything asking for a fee beyond that is not necessary! Below are some useful resources explaining how to renew your license yourself. It is worth noting that contacting the FCC for assistance is helpful. They WILL help you if you experience problems.
https://www.arrl.org/call-sign-renewals-or-changes