1: Not purifying sponges
Bacteria flourish in moist places so it is vital to clean them frequently
2: Not to check what you buy
Pay much attention to what you wanna buy from veggies or fruits. look for the ones that are no damaged
3: Reusing marinade
After you marinade your meat or whatever, when you are done, you most not reuse it or even taste it.and keep the marinating nutrition in the fridge
4: Not washing your hands properly
When ever you wanna make something ti eat,make sure you wash your hands carefully before and after that and it should take atleast 20 seconds
5: Not maintaining a clean refrigerator
Decayed food can get moldy or be spilled on the shelves so you need to keep it clean so you can store your nutrition in good condition