You'd want to avoid heat, light and oxygen while drying mushrooms, as those degrade the actives.
Best would be pre-drying for a day or two in a dark, dry room. Then put them in an air-tight container with a drying agent / desiccant (e. g. silica gel), it will absorb all moisture. Renew desiccant as needed. When the mushrooms are "cracker dry", you can store them in a cool, dark, dry place for a very long time.
I'm sure BL has a big'n'dandy mushroom storage thread somewhere. Search for it and you'll find lots of information serving your purpose.
Edit: household stuff you say... some people say rice (raw of course) works okay as desiccant. I really recommend silica gel packets though, get some and you'll be good for years. You can even get them with an indicator that changes colour as soon as they are nearly saturated with moisture. Then just put them in an oven at 105 °C until colour changes back to 'ready'. These packets have lots of uses and are extremely convenient for drying and long time storage.