Hiding your money and other valuables under your pillow or mattress will not protect them from a thief. There are options besides a bank’s safety deposit box, which by the way, may not be as safe as you think. You can either hide your loot in secret places within your home OR you can hide your stuff in diversion safes. There are ten main areas that can double as hiding spots for your valuables.
Source:10 Best Hiding Spots For the Valuables in Your Home