5-10 crickets a week does seem abnormally low... mine eats and used to eat about that much in one day. Mine doesnt eat mealworms either, shes tried but lets go when theyre in her mouth. I usually put the crickets in a cup for her and she eats right out of the cup. Tell me if that works out for you. You dont want to just dump crickets in there, especially if there are a lot of places for them to hide. Ive noticed that my frillie will poop and then the poop will "disappear". This can happen if your using a soil like substrate , it will get covered in the substrate and become unnoticable.