It doesn't require mentioning, it is much safer to keep the currencies in offline environment, as compared to online. There's just no way to ignore the security measures, irrespective of the wallet one has chosen. If you lose your private keys, all the money kept in the wallet will be gone away from your hands. On the other hand, if the wallet gets hacked or you transfer funds to a scammer, it won't be possible to reverse the transaction nor reclaim that money.
Investing in cryptocurrency is a smart business idea and for that, using a suitable wallet is inevitable. You just need to be bit cautious to ensure safety and security Hypnosis Live Review aspect to your fund transfers and transactions.