how can i set up a wordpress multisite hosting company with wpmudev?

how can i set up a wordpress multisite hosting company with wpmudev?
im interested in starting a website hosting for adult webcams service ,adult social networking,and adult business pretty much the whole adult industry
im using sub-domain based multisite and paypal gateway(open to other adult payment gateways)
what plugins and themes that you suggest that i use for security and to all other areas needed?
i would like to only use your plugins and themes and wordpress top rated and top preferred free plugins and themes for any plugins that you dont provide so i will be able to "set it and forget it".
please view these videos and give me your advice
https://www.youtube.com/watch?v=ekjc61tPyAc&spfreload=1

https://www.youtube.com/watch?v=thz6Ymr1450