If you can get a healthy population of worms in your soil they will make you an ongoing supply of topsoil so to encourage them to breed..[more info]
If you are using a tray system and are feeding at a speed the worms can cope with, then the bottom tray should be ready to harvest .. [more info]
No. Woodlice are primary composters so eat organic waste and produce compost so they can live along side your worm population.. [more info]
Cardboard is great for your worm composter (as is a sprinkling of lime mix) A ratio of 25-30% volume of shredded cardboard or equivalent will ensure the compost doesn't get too wet and there is air circulating. Avoid the really shiny boxes like soap powder and go for newsprint, egg boxes etc.