If you have an online business, you will no doubt be well-acquainted with the many hardships and challenges that you will need to face in order to ensure that the business is capable of sustaining itself. That is the end goal of all businesses and one that will determine the lifespan of your venture. There are however mistakes that can ruin your business completely if you are not careful from the foundation up. Here are some of those critical errors and how you can avoid them.