In London most superstores are having empty shelves and run out of tissues, toilet rolls, soap and masks among other items.

The stores should not let people buy bulk but say one basket each ..like they say THERE IS ENOUGH FOR EVERYONES NEED BUT NOT EVERYONE'S GREED 

People are being selfish and greedy and some maybe reselling.

Check :

Japan to punish reselling of masks for profit with year in prison, ¥1 million fine — or both

@ https://www.japantimes.co.jp/news/2020/03/10/national/japan-punish-reselling-face-masks/#.XnBQ62mnyyV