A good investment strategy minimizes your risks while optimizing your potential returns. But with any strategy it’s vital to remember that you can lose money in the short run if you’re investing in market-based securities such as stocks and bonds.
A good investment strategy often takes time to work should not be considered a “get rich quick” scheme. So it's important to begin investing with realistic expectations of what you can and can't achieve.
It is also useful to study the practices of other investors. For example, you can explore the michael burry stock portfolio on the RoboMarkets Blog to get the best information possible before investing.