The best way to create bitcoin wallet is to go on adroid or iPhone store and download Bitcoin wallet,believe me that is the safest way, that's what i use.Just give it a try,and if you don't like it dont use it.
Using a wallet on your mobile phone is definitely a good choice if we're talking about ease-of-use, but since OP was mostly referring to having a safe way of storing his/her bitcoin, the best choice here is probably simply getting a hardware wallet like the Trezor[1] or the Ledger Nano S[2]; or a paper wallet if you know what you're doing.
[1]
https://trezor.io/[2]
https://ledger.com/Hardware wallets can break down at any time, requiring extra work to maintain.
Best practice to manage large amount coins should be choosing a multi-signature scheme.
For individle users mobile phone and personal computer multi-sig is practicable solution.
Decent mobile Bitcoin wallet is good enough for daily use. Nowadays, the security performance of mobile phones surpasses that of ordinary hardware wallets. iPhone is more secure than a large number of hardware wallets(base on Android).