You don't need add custom tokens to see your tokens. If you want to transfer your tokens you have to add custom tokens. If you wanna see your received tokens please visit https://etherscan.io and enter your wallet address. If you have any problem PM me
Cloud mining is not so good. I personally don't like recommend cloud mining. Most cloud mining sites are scam. You have so many other ways to invest your money.
If you are a noob first learn before invest like that big amount. If you don't have a idea about what are you doing just learn first. I would recommend you can invest with 50% Bitcoins and another 50% altcoins like Ethereum, Litecoin, Monero, Ripple and Stratis.
You looks like a newbie. I recommend long term holding for you. Short term trading is profitable if you have good trading skills. If you don't have trading skills don't do it. Keep holding.
First buy bitcoin form somewhere next transfer bitcoins to exchanges. Exchange depends on coins. I prefer you as a beginner Bittrex is good exchange for you and you can use Poloniex and Binanace too. They are easy to trade and understand.
I would recommend desktop and web wallets for beginners you can use a desktop wallet like Exudos with multicoins. If you need web wallets I would recommend Blockchain and Coinbase.
First you have to study what is bitcoin and how it works. If you wanna buy bitcoins you can buy with coinbase, cex.io and localbitcoins. I personally recommend those site. If you wanna store large amounts of bitcoins you have to choose safe bitcoin wallet. Hardware wallets are best safest wallets like Trezor or Nano Ledger S. If you can't buy a hardware wallet you can use desktop wallet like Electrum wallet. If you want to store small amount of bitcoins online web wallets are no problem. I prefer blockchain and coinbase are safest online web wallets.
First you have to create bitcoin wallet using one of them. After that you need a account localbitcoins, coinbase or cex.io and you have to add your card and buy bitcoins. After you can send bitcoins to your wallet. If you don't understand anything PM me.
First you have to add custom token using your token's contract address, Symbol and decimal. After adding that token you have to load tokens. Next you can send tokens to your etherdelta address. You can see loaded tokens on dropdown menu. If you have any problem with it PM me.