Hi,
Please let's recommend the best bitcoin wallet here, since blockchain has gone south!
nobody seem to understand the platform anymore...
I recommend MyCelium Bitcoin Wallet
What's yours?
I would recommend that you get Bitcoin Core immediately. Do not store bitcoins online, specially now that UASF is coming. Remember that if your wallet is not supporting UASF, you will not recieve the split amount on both chains, only on the chain that the wallet is supporting.
In fact, there are lot of people of people who already use online wallet because it is very easy to use. Furthermore, using online wallet will help you to transfer money easily and instantly. However, some people prefer to use offline wallet or also called hardware wallet.