The best way is to keep your coins on the cold wallet like Trezor or on something like MEW. I don't trust, exchanges because hackers can hack it.

. I bought my first tokens only on exchangers for cash and transferred them to official wallets. I did not trust the exchanges and was afraid to send money there. Because of my fears, I missed many profitable investments. So many new tokens that appeared did not sell on the exchangers. But then the fears passed.  My first cryptocurrency exchange, where I registered, was Binance, then others. Now I buy a part of the coins on the stock exchanges and do not withdraw the purchased tokens into other wallets.

if I for the results of the profit from the place of exchange or tradings will I switch into the wallet because it is safer we save in the wallet than on the exchange so if the exchange better balance to start tradingan or capital turn your money again. and the results of those profits are immediately sent to Wallet only.

but if you do not want ribet ya store in the Exchange is also not a problem because it will simplify the customer and not complicated send there send here now a lot of exchange can be directly sent or in convert to the currency of each country

It depends on who you are buddy. Most likely bounty hunters would prefer wallet because they will store their coins in their wallet and if they want to cash out that would be the time to transfer to exchange. One thing good about wallet is you have control over it. You take the blame in case some misfortune will happen to your coins.

I think exchanges are safer. Even if you hear sometimes for hackers attack those 'big' exchanges are quite safe. Try to aplit your coins over some exchanges if you don't feel comfortable with holding them in one exchange.

Personally, I choose a wallet because with it we can save money in the Wallet and can get the funds expended from a certain exchanger it can be seen from the situation because you exchange in the wallet will be an exchange regularly and earn a number of advantages

If you wanna hold your coins for a long time without trading, you'd better keep it in your wallet.
Especially if you have a substantial amount of coins, you shouldn't rely on exchange.

All depends on your summ of investments, if investments are big then use wallet, if small you can use exchanges to not losee fees to transfer coins.

I don't do daily trading and keep coins in my wallet. If you need something to sell or buy just send to the exchange and sell. Then back to the wallet.

I think that of course it is better to open coin purses, it is much safer. But if you're trading on the stock exchange, then you have to keep the money on the stock Exchange.