cryptocurrency exchange

So i have come to a solution. The country i currently reside in does not allow the use of Binance futures, however I do have a residential address in a country that does. Which I am assured by binance is all you need, submit a utility bill from that property and futures trading will be enabled...

I would like to hear from you guys what is the best crypto exchange service if I primary want to trade altcoins? Please suggest your best advice, looking at kraken it seems not to be the best.

I just found the website https://changelly.com/ which seems to be reliable and to be able to Exchange cryptocurrency to other crypto. This is exactly what I was looking for but I don't know if this service / website is reliable ot just some trash?? Anyone with first hand experience or link to...

I need to find a wallet for these three cryptocurrencies something I can trust and where I'm able to buy them for Money? Additionally I need a way to get them exchanged into real money again if needed. What service would you recommend for this task? I need something simple and more "direct"...