I want to buy some private proxies for my facebook. But I don't know how to use it. 1) Do I only need brower to configure the private proxies? 2) Do I need a vps to run my proxies, or just use my local computer? 3) If I only need a browse. What kind of browse should I use? Is portable Firefox the best option? 4) Per facebook account for per private proxy? Thanks in advance.