1. DON'T USE YOUR SAVINGS FOR YOUR INVESTMENT ACTIVITIES - Use your separate funds if you are going to invest on any market and make sure that you are ready to lose that money because investing is not a guaranteed way to make profit, so have some funds for this.
Separate fund is a subset of your savings. To be on a safer side before investing in altcoins which are completely centralized holding for too long should be avoided same with buying when the price is high
2. DON'T BORROW MONEY - Many still do the same mistake like this and when the market turns to negative, they are also drowning and the situation will get worst simply because they use the money which is not them. If you want to become profitable, save for your capital first.
It is only an unsatisfiable investor that will go as far as lending funds to invest. This is what will trigger suicide the most when the project fails and crashes.
3. DON'T BE GREEDY - If you already lose money, you should stop for a while and study again so you can know what's wrong with your strategy and start analyzing again so you can do better next time.
evaluating the market should be regular habit both for losing and winning investment. An investor should be a habitual study and research freak. It is only when lack of knowledge triggers investment that greed sets in. A good strategy is a product of constant study