Creating HUB - Servers



I would like to ask. If I wanted to set up the HUB, since I would like to organize Gather in CSGO to ask if there is a limited number of HUBs that I can set up? Next, as with servers, is it worthwhile or how many I can use at one point to know and it does not happen that there will be no servers for more players? And any other conditions I have to meet so I can organize it. Thank you