Both are great as they perform diverse capacities. Trade wallet is ordinarily utilized for exchanging and you don't have full control over it while regarding ordinary wallets you have full control over it as the private keys and even the deliver has a place with the proprietors alone. It's the best place to spare your coins in the wake of exchanging trade it vital you move your coins to your wallet for security.

I think it's better to create wallets for each coin or use a hardware wallet, although when using a hardware wallet, you will still need a separate wallet for some coins. Store your tokens or coins can also be on the exchange, the main thing that the exchange was reliable, but still they can steal from there.

I think it's better to put your coins in an exchange because you can do whatever you want with it and you are in charge of your profits and loss. The cons is that there is a little bit of chance that you may lose your coins because exchanges can be hacked.

I dont give a thing and i hold most of my coins on the exchange. I believe that it`s secure if you follow special rules

I think wallet is more preferable because most time anything can happen to the exchange security or any sort of hacking or there about and that can leads to loss of so many people funds. And not to be a victim so i think wallet is ok.

Keeping money on crypto-exchange exchanges is dangerous, everyone knows about it and still there are cases when you intend to keep your tokens there, because you are working this way. It's dangerous I will not argue.

Keeping them in your personal wallets is the better option. Its safer, exchanges get hacked and you can use your tokens. I keep some on some of the better exchanges but always make sure you pay attention to the security and activate 2FA.

Here article on wallets, quite informative and useful: https://icoguide.com/en/blog/5-types-of-cryptocurrency-wallets-and-where-to-begin-with-each

and top exchange platforms, whith their pros and cons: https://icoguide.com/en/blog/top-5-cryptocurrency-exchange-platforms

The money is only yours when you have access to private keys. Remember this.