We are in the crisis now, so bulk buying food is not appropriate. Stick to your usual amounts and just a little bit more and build gradually. A good time for chocolate and Easter offers though. Do get your coffee. If you can afford it, donate to food bank.
Get eat straight from packet food, (crackers, dried fruits, cereals, chutneys , jarred veg, tinned fish and meat ) just add water food ( cup soup, cous cous, noodles, mug shots, custard, gravy, milk powder) just heat through foods (soups, custard, rice pudding, tinned veg, tinned meals, microwave rice, tinned beans) spices and flavourings. Alcohol if you drink it.
Fill up at no lower than half a tank. Loads of people have now got full tanks so the next tanker delivery will sort the problem.
Do get your torches, lanterns, power banks, solar charges, prescription meds, OTC meds, batteries, water, gardening equipment, as all that is coming into the shops as scheduled. All the stuff that is normally on sale at this time of year. Look at the Easter food offers, Aldi/Lidl middle aisles, etc as this is planned for by shops. Get a good rucksack and sturdy shoes.
(For future reference Ramadan is a good time to pick up bargains, sadly just finished)