I will forward all your emails to one gmail inbox

I will need you to provide all the email addresses that you need to forward from and the one you need to forward to (the main).

You can share your login details through a Google document or through Fiverr messages.

I am a professional, I never share your information with anyone. I only need those details to allow me to do my job. I don't involve any other party.

Yes, I will need you to approve my login to your email addresses or confirm my login incase if 2-step verification is enabled. This is most likely the case with most Google emails and a great security feature too.

Email filtering when you choose to organize your emails in different ways; like who sent the email, forward specific emails or organizing emails in folders/labels. "Reply As" or "Send As" is a feature that allows you to send emails from another account while still acting as another acc

Yes, as soon as I finish setting up email forwarding, it will start working immediately. All your new emails will be forwarded to one inbox.

At the moment I don't offer screen sharing as this can lag because it requires an active connection between both my computer and the client's computer. Because of different computer setups and internet connection speeds, this can lag terribly and make my work difficult.