HCA: Hermit Crab Association

I had issues with stuff growing (eek) in my tank and I think it killed one of my hermit crabs. I think my substrate was too wet initially and I had it some sun part of the day. I cleaned my tank and put in new substrate. 5 to 1 sand to eco earth. I have 10 gallon. Heater on back above substrate. I s...

I've seen several people with suction cupped shower cabby/soap storage as a second level for hermies. Where did you call get these? I can't seem to find any that aren't super expensive.

Or any other ideas for an inexpensive second story?

My wants a hermit crab for his bday and has been watching every you tube video. :) We are learning as much we can. We are getting 2 small hermit crabs. We have a 10 gallon tank. We have the 3 bowls, hideout, stuff to climb on, fake plant, ecoearth substrate, etc. I need help with what heating pad to...