Few questions about Membership 2 Pro

Here are a few questions I have with the new Membership 2:

1) With dripped content, how can I manually move someone along?

2) With monthly payments, how do I set it up that after he pays for 6 months he has permanent access to the Membership he signed up for?

3) How do I hide menu items for Memberships?

4) Now that I moved to Membership 2, it deals with Drip content differently, so I had to move members to a new Membership. Does this completely mess up their billing? In short, I want to move them to a new Membership where they’ll have to continue paying monthly as per that Membership.