As sources and anything that gives your hero a bonus are so essential in the first game, players who do not creep are at TBC Classic Gold a huge disadvantage. There's the more conventional RTS base and army building, then there's the dungeon crawl/RPG facet of combating and levelling your hero, and obtaining some additional resources to help with the base. Nailing this multitasking is just one of the game's most challenging aspects, but it is also why competitive Warcraft 3 is so exceptional.
If your hero isn't involved in battle with another player, they need to always be creeping. Keep in mind, however, that cheap WOW Classic TBC Gold after a hero reaches level five, they'll no longer gain experience from fighting creeps.