lol if you mean by like unlimited money on competitive, or faceit/esea or other community servers you don't own/have rcon access to, then never.
but if you're on your own server and want to make all players have 'unlimited' money, then load ur map, put in sv_cheats 1 into console, then type kill into console, then type in sv_infinite_ammo 2 into console. sv_infinite_ammo 2 will allow you to shoot 30 rounds, then you can reload and repeat, reloads never run out, sv_infinite_ammo 1 for just infinite rounds