Also I was thinking of selling a piece of land I own, buy some bitcoin and keep it safe in hardware wallet, not trade with it.
If you still have 20% of your bitcoin left, why do you want to sell a piece of land just to buy btc? Im not saying its a bad decision because we know how bitcoin grow through the years, but I think its better to start from scratch or from the 20% left on his wallet.
Recovering the losses wont be easy but with a concrete plan and strategy, still its possible. Since you already experience to be a trader and probably aware of the mistakes you committed resulting to losses. But trading is not the only way to gain back what you have lost, there are many opportunities out there that might be the best career for you to take. Sometimes we need to be open for other possible ways to maximize our chances to earn.