If you are new to the world of investment and the stock market, it can be difficult to know where to begin and where you should invest your money first. Although the stock market is full of uncertainty, there are a number of things that you can do to start your investment journey off on the best foot and boost your chances for long-term success. If this is what you are looking for, then here are 4 tips for successful long-term investing.1. Use a buy and hold portfolioOne of the best ways to guarantee long-term investment success within the stock market is to use a buy and hold portfolio. This investment portfolio is a long-term strategy that is designed to perform well in most market conditions. Adopting the Ultimate Buy and Hold Portfolio will be extremely beneficial to you as it remains relatively stable over a period of time, regardless of short-term fluctuations or changes within the stock market.Buy and hold portfolios are used by many people throughout the stock market as they greatly help to tie up large amounts of capital. The popularity and reliability of a buy and hold portfolio prove just how successful they are when it comes to long-term investing.It is also important to note that once you have picked a portfolio or strategy to use, you should stick with it. Picking and using multiple different strategies within the stock market can become confusing and overwhelming, which should be avoided within the market as it can cause a number of different problems for you. Therefore, when you adopt a buy and hold portfolio, you should stick with it in order to remain successful and prevent issues from occurring.2. Know when to take a step backAs previously mentioned, the stock market is full of uncertainty, and it can often be tricky to determine the success of certain stock and investments. Therefore, in order for you to remain successful within the stock market for a long period of time you should know when to take a step back. If you see that a stock that you have invested into is underperforming or looks like it is going to crash, it is okay for you to remove or even reduce your investment within it. Taking a step back from a failing stock will prevent you from losing valuable money or even worse, crashing within the market. Stepping back from stock that is underperforming means that you will be able to stay in the stock market for longer and make more profitable investments, ultimately making you more successful.3. Be open-mindedAlthough it is important to be aware of and clued in with all of the stock within the stock, when it comes to investing your money into these stocks it is also important to be open-minded. Remaining open-minded within the stock market is a great way to gain long-term success and profit from your investments.Many investors within the stock market tend to invest in stocks that are household names, in other words stocks that are well-known and have high brand awareness, and tend to over look stocks that are less well-known. Being open-minded and investing into these lesser-known stocks can have some huge benefits for you and can help your success to grow within the stock market.The stock market can change overnight, meaning that these smaller company stocks have the potential to grow and expand quickly, bringing you great success.4. Resist the lure of penny stocksMany people within the stock market believe that there is less to lose when it comes to low-priced stocks, which is sometimes not the case. These low-priced stocks are known as penny stocks and can see you losing large amounts of money at a time. Companies often sell these penny stocks for low prices, which is great for investors. Although these low-priced penny stocks unfortunately come with high-risk securities, as there is often very little history and information provided about the stocks to the investors.These penny stocks also come with low liquidity, which makes them even more risky and less reliable within the stock market. Many investors invest a lot of money into these penny stocks as they believe that they will be profitable, but due to the high risk and uncertainty of these low-priced stocks they can crash easily.By avoiding investing into these low-priced penny stocks, you will save yourself both a lot of time and money, helping you to gain long-term market success.In conclusion, there are a number of different things that you can do to help you achieve long-term success within the stock market. By adopting a number of these tips and tricks, you will ensure that the financial investments that you are making are worthwhile and successful.This was written by Sophia Anderson and originated on Your Coffee Break.