making a secure bitcoin wallet which is always offline and stays that way is not really hard, and i am talking from 2 years of experience with having only one bitcoin wallet on an offline linux system.
That means u dont use your bitcoin. For those who use bitcoin regularly, needs to wallet... one online and one offline.
Well for me you don't have to even have offline wallet because that is just going to be applicable if you are going to hold a lot of bitcoins to be stored with your offline wallet. But for me, using online wallets are already helpful and I do use multiple wallets so that I am able to allocate my funds for paying my bills and just for saving.