Looking for a Responsible Care Taker for my Hrmit Crab....

I felt that Im a bad Care Taker

Anyone willing to take extra 2 or 3 Hermit Crabs?

Species, Strawberry Hermit Crab...

Some info about my Care taking behavior

I have 4 Ft long tank housing 5 Harmit Crabs
3 x Strawberry Hermit Crabs
2 x Purple Pincher Hermit Crabs

Sand 6 inch deep mixed with Normal sand with Coco fiber.
Decorated with alot of artificial grass and With some Wood.

Inside the tank also fill with Role Polly as clean up crew / Protein source.

Daily feeding, Fruits, varies of Nuts (All organic)

But my crabs started to pass away one by one this year maby due to my temp or humidity.

I need much more responsible Care Taker for my Hermit Crabs that i know they will be much more happy from me....

If needed, I can Transfer the Tank, Sand basically anything that i currently are having to new Care taker.

2.0 Sun lamp
Heat Pad (If needed)
Sand
4 Ft tank
Extra coco fiber

3/2 x Strawberry Hermit Crab (1 Molting for more than 2 month)