Plenty of people are investing in cryptocurrencies all the time. You will need a secure wallet to store your coins though. The KEYPAL Hardware Wallet is worth a look. It only supports Bluetooth pairing, so it is not easy to compromise. It has a 32-bit processor and multiple security protections.
This hardware wallet has a 2.0 inch OLED display. It supports Bitcoin, Ethereum, LTC, and plenty of common coins and public chains. It is compatible with iOS and Android devices.