If you can't manage a single-signature wallet, then managing a multi-signature wallet might be a bad option.
Single signature wallets are
the standard wallet, and you can't use non-custodial crypto if you don't know how to manage them.
Exactly. You don't have to follow the general public for some personal decision. multi-signature wallet is secure that is there is no dispute in it but single signature wallet is more easy to use. And if you can't manage multi-signature wallet it is better you stick to the one you are using. Well experience is the best teacher so if you want to test it, OmegaStarScream has given you the full guide to go about it. You can try it and compare the two and choose one to use. And as Charles-Tim said, you don't have to use one device but two.