As sources and whatever provides your hero a bonus are all so important in the first game, players that don't 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 fighting and levelling your hero, and getting some extra resources to aid with the base. Nailing this multitasking is one of those game's most challenging aspects, but it's also why competitive Warcraft 3 is so unique.
If your hero is not involved in combat with buy WOW Classic TBC Gold another player, they need to always be creeping. Remember, however, that after a hero reaches level five, they'll no longer gain experience from battling creeps.