Impossible to deal with - think twice before using OneDayOnly

I placed an order with OneDayOnly on the 10th of July, which has not been delivered within their stipulated 5- to 10-days service promise. The company has sent me order updates via email, implying the order is on track and that they will notify me of the new order timeline. However, they don't notify me of a new timeline and when viewing their order tracking page on their web-site, it indicates that the order hasn't even been collected from the supplier. I've attempted to phone their distribution center, but nobody answers the phone and the only other method of communication is via an automated email function on their website, which when used, merely replies with an automated response suggesting they can't respond due to high volumes. The fact that they make it nearly impossible for clients to interact with is decidedly poor already, but now I'm suspicious that they sell products which their suppliers don't have, in order to generate cash-flow prior to sourcing and supply. As a consequence, would refrain from ever ordering from OneDayOnly again and recommend that consumers think twice before utilizing their platform. David Bester