Investors tend to focus on the investment strategy, but it helps to keep some things that surround the main investment. These can be regarded as the 'enablers' that, in some way, determine how much money you make or lose at the end of your investment period. One vital thing is the cost of investment. They can accrue and end up eating into your returns, a reason why you should keep them low. Reduce the tax paid on your profits by going for the tax-free and tax-deferred accounts if you qualify for one. Lastly, stick to your investment strategy and avoid making rash investment decisions.