I am a novice in BTC but have been lucky so far. I bought BTC at under $2000 and have now sold it at $4100. I am sure that I have made some mistakes in the way that I have bought, stored and sold the BTC.
I now want to trade both long term and short term in BTC. I want to trade in minimum USD $10,000 blocks
Long Term What is the "best practice" processes to buy and sell BTC?
Where is the best place to buy BTC using USDs
Where is the best place to store BTC using USDs. As a result of my limited research, security seems to be a major issue. I am prepared to buy a dedicated computer solely to store the BTCs if necessary
What is the best place to Sell BTC using USDs
You may thought have lost the chance to trade bitcoin at the peak and buy back at the dips. If you think could make profits by trading bitcoin, go ahead. The best place to buy and sell bitcoin using USD depend on your interest, check GDAX and Bitstamp. These exchanges may have some differences regarding their deposit, fees, and withdrawal process.
To store bitcoin for long term I recommend ledger-nano or trezor wallet, I think it's better than using a dedicated computer to store bitcoin. You can read this :
https://www.weusecoins.com/en/find-the-best-bitcoin-wallet/