Its possible to still succeed in such situations, based on how you plan the business later on. Planning is something you cannot avoid in a business. Looking for a targeted audience and how to attract them is also planning in business, because these are things that are found in a business plan. Why its best to always make plans for the business before startup, with this method you can be more focused, all you need to do is just carry out the mapped out plan. But in a case where plans where not made before the startup, you have to deal with managing the business and trying to plan things out