What kind of cold wallet do you want? How frequently do you transact?
Do you want the private keys to be stored on an offline computer? Or is a paper wallet a better option for you?
There are so many reports of users losing their funds because they didn't make a paper wallet properly.
The best wallets for newbies and intermediate users is a hardware wallet, in my opinion.
I will suggest Ledger Nano or Trezor. They are the best hardware wallets out there and both are pretty safe.
You will not lose your funds and you will spend less than 100 usd. Instructions are pretty straight forward.