Yahoo does not charge any fee to recover your account. The account recovery process is free and involves the following steps: How to Recover Yahoo Account

Visit Yahoo Account Recovery: Go to the Yahoo account recovery page.
Enter Your Email: Input the email address you need to recover.
Verify Your Identity: Yahoo will send a verification code to your recovery email or phone number.
Enter the Verification Code: Use the code to verify your identity.
Reset Your Password: Once verified, you can reset your password and regain access to your account.
Yahoo Account Pro

Yahoo offers a paid service called Yahoo Account Pro, which provides personalized technical support, including help with account recovery. The cost for this service is typically around $5 per month or $12.99 per year. However, you do not need this service to recover your account, as the basic recovery process is free.