Bitstamp is pretty easy to use, it's been around a long time.. Then you can send to Cryptopia or Binance.

Sounds like your computer has malware or someone who has access to your computer is a thief.

Nuggets News Australia and Doug Polk Crypto on Youtube are both very different channels with the best info for someone new.

Nugget News out of Australia for long term strats and basic investing info.
Doug Polk Crypto for current news with humor.

Bitcoin? No. Exchanges? Yes.

Deep Onion, Aeon, and Verge are the most undervalued in my opinion.

Some of the smaller cap I'm invested in Powerledger, Decision Token, Upfiring, DNA, and Deep Onion. Excellent job making so much so fast and very measured portfolio.

Find altcoins that have a unique real life use, like Upfiring, Powerledger, Decision Token, DNA etc. Lower the market cap the more potential for it to grow.

As a rule of thumb you should store in a wallet, and offline wallets are preferred, Ledger or Trezor.

That's what I did, showed my significant other the logins to the exchanges, the wallets, and my phone and computers. I made a copy of it all, hid it, and keep another offsite. I'll have to update sometimes, but it's a simple system.