It is so reliable that great deals of fortune 500 business have really made use of, some are still making use of, this business style to establish their multi-million dollar empire.
Kunamandla kangangokuba abaningi inhlanhla 500 izinkampani baye bazisebenzisa lezi zindlela, abanye namanje usebenzisa le imodeli yebhizinisi ukwakha multi-million dollar umbuso wabo.