It is possible to store multiple crypto's in one wallet?
Or do you need a wallet for every coin?
Exodus is a wallet that you are looking for. If can store's multicoins, like BTC, ETH and LTC. You can get it here:
https://www.exodus.io/Just be careful though and have a strong password so that hackers can't get it. I personally used it myself and so far I'm not having issues with it. Also another reminder that it can't store ERC20 tokens though, MEW is a better options. Another tip is to bookmark it as well. Better be safe than sorry.