There are some sites that will require you to pay a small fee to be able to join and get their services. Some of these sites are great and have lots of features which you could take advantage of but others will only permit you to join them after you pay a commission. I suggest that the latter because there are a great deal of sites out there that are free that you can use to obtain as many followers as you'd like to. If you would like to understand exactly how many followers you must be planning for, then only visit some of many review sites online and attempt to figure out how many you should aim to possess.