If you are going to use a paper wallet here is a way to make sure it is secure. I have made step by step instructions. The key 2 points are that one you must ensure that you make it without fear of compromise and two you have to ensure you do not lose or damage it. I suggest using a paper wallet but rather than printing it you safe it as a pdf file in an encrypted container. Full details are as follows: https://steemit.com/bitcoin/@grahamsnoplus1/step-by-step-guide-to-transferring-your-bitcoin-to-a-virtual-paper-wallet-before-august-1st-2017