Waƙoƙin masu ɗaukar kaya na Crawler suna da nasu fa'idodin suma, kamar ƙarancin buƙatun saman hanya, kyakkyawan aikin ƙetaren ƙasa, da yanayin kariya na waƙar. Domin shawo kan matsalar lalacewar motocin da aka binne, wasu mutane sun fara aikin hanyar. Misali, an maye gurbin waƙar ƙarfe na asali da kayan roba, wanda ba kawai yana rage lalacewa ba har ma yana yin wasu dalilai.