Baby nearly starved

Using pick n pay asap is an nightmare, I ordered goods around 2:30pm and there was some out of stock items so with prior bad experiences I call to advise so they can see that the refund was successful. Anyways the consultant let's me know driver is at the store and the app updates around 3:30pm driver collected parcel and is heading my way so I think check around 4pm and start calling driver he ends up answering at 17:58pm telling me his app had a problem and can't deliver the items mind you my 2 month old boys formula is part of this order so now I need to uber with him to go buy more formula or he would starve at 6:30pm. The next day I call again agent tells me she will keep me updated theb around 9am the app pops up saying my order was cancelled without any communication or calling to ask what I'd prefer and a refund was done that would take up to 10 days which I'm not happy with because I need the food items I ordered and the formula . Then a another consultant contacts me telling me a different story then calls back telling me a refund was processed and can't do the eft this is when I loose my cool because I used money u needed to take my kid to clinic with to get more formula and would have to wait 10 days before I can take him . So if anything happens to my son in that time who will be liable since they made a decision for me and I must accept it then I'm told a eft will be done until now nothing was done I don't recommend this online store to anyone it will stress your life so we will wait until the finance team is ready to pay me so we won't eat or get the child sorted. I'm unemployed so any money I've got has a purpose and when things like this happen it stresses me and nobody will compensate you for the trauma they cause you .