Mean reversion is where the investor assumes that the price of a coin will remain at an average price level over time.  Upward trends, and downwards trends, are expected to revert back to the average over the long haul. This means you need to know the charts well and be able to figure out what the average price for the cryptocurrency you intend to trade in. When the coins are less than the estimated average that is when one wants to make a few purchases. When the price is higher than the average it is expected to drop back down to the mean price and that would be the time to sell.  Of course, figuring out just when to sell is the trick, and that is where the gamble comes in.
Use small buy-ins, and don’t margin trade or short unless you know your stuff. The smaller your bet is compared to your total investable funds, the less risk you are taking on every bet (one of many insanely important things we are covering here). Putting it all on black is tempting, but then if it comes up red, you have nothing left to invest. Live to fight another day by learning to manage your buy-in size. As a rule of thumb invest 1% or less per buy-in (yes, that small, really; losing 100% of 1% leaves you with 99%, losing 1% of 100% leaves you with 99%. Small bids offer the same bet, but with way less risk). Put reward aside and practice risk management and capital preservation until you are very experienced (and thus, by logical extension: don’t margin trade or short unless you know what you are doing, as those leveraged bets magnify your risk by their very nature). See Kelly criterion.
You need a trading plan. You can basically consider it to be a blueprint for success. Your plan has to take everything that you can into account like entry and exit of money, risk management, time frame and even position sizing. Without a plan and too much emotion, you will be gambling instead of trading and you will never know how to improve your skills to become better.
They’re committed to safe and secure trades, because at the end of the day, you’re trusting your money with them. They understand that, and they take that very seriously. Their system is 100% proprietary, has been stress tested and DDoS tested, and they have never lost a single coin. They also maintain a ledger themselves in the interest of ensuring that they know where every coin – whether Canadian or ethereum – is at all times.
The trading strategy used is bollinger bands. (You can create bollinger bands on graphs in poloniex). The strategy is to buy when price touches lower bollinger band and sell when the price is above your bought price and also hits high bollinger band. If the price goes down and again touches lower bollinger band then invest another 25% of total investment assigned for a currency.

You could try this instead: You could try to avoid times where you know there’ll be relatively less liquidity in crypto — like nights and weekends — by closing out all of your positions every night and over the weekend. You might also consider maximizing the liquidity to which you have access by trading on a platform that allows you to access many different exchanges at once, rather than trading on only one or two specific exchanges.

Don’t be greedy. No one ever lost money taking a profit. As a coin begins to grow, the greed inside us grows along with it. If a coin increases by 30%, why not consider taking profit? Even if goals are set to 40% or 50%, you should at least pull out some of the profit on the way up in case a coin doesn’t reach the goal. If you wait too long or try to get out at a higher point, you risk losing profit you already earned or even turning that profit into a loss. Get into the habit of taking profits and scouting for re-entry if you want to continue reaping potential profits.