Truworths online shows stock thats never really available

Truworths online is one of the worst platforms to purchase from. Whats the purpose of advertising sale items, showing availability of items with sizes, customers ordering and paying and then 3 days later, theres no stock. This has happened so many times its frustrating. Im sure the app developers have a way to update stock availability in real-time so that people dont order unavailable items. Do better truworths, quality products deserves quality service.