Re: Is buddypress for me?
Recipe for your success:
Wordpress for basic framework https://wordpress.org/download/ (Free)
Buddypress for community https://buddypress.org/download/ (Free)
s2member plugin for membership http://www.primothemes.com/post/product/s2member-membership-plugin-with-paypal/ (Free or Pro versions)
Videopress for awesome video functions http://videopress.com/ ($59.97/year) also available as a plugin https://wordpress.org/extend/plugins/video/ (videos hosted at wordpress.com)
Hope this helps! 
