Determining a marketing budget is always difficult and especially so for small businesses. At some point during the process of starting your online business, you will encounter one of the most important decisions that small and medium-sized businesses face: “How much should I spend on online marketing?” Many online startups have difficulty figuring out the answer to this question. Calculating a budget is based off a number of factors such as how much you realistically can afford to spend, how quickly you would like to grow, your annual budget and the lifetime of your customer. Unfortunately, some of these questions cannot be accessed until after you start your business. Here are some marketing and advertising guidelines to get your business started in the process.