Paywall for online videos, webinars, and event registration

I am setting up a website for a client, and she's interested in creating a paywall for online videos - including payment options both as payment per video and also as member subscription. Second, she's interested in requiring payment for event registration. Essentially she's looking for new ways to offer her teaching and training, and offering her courses online seems like a smart ways to allow her to widen her audience. 

On Squarespace, how can I: 

1) set up a paywall for individual video content? (we can use vimeo or youtube, or other video platforms as needed -- also has anyone used Zype to set up this paywall on a per video basis?)

2) offer a subscription service to unlock all video content (I saw Memberspace and Podia might be good options here?)

3) require payment for event registration

Thanks for your help and suggestions here! 

Hello, I´m in the same place, I want to sell courses online and thinking about Podia.

Does it work well? Thank you.