You may think that if your business is successful, you need to invest big money in advertising and promotion. But it will wait. What does not wait is your visibility on the website. If you underestimated SEO optimization, your business will simply not grow. You don't need an ad if search engines find your business. If you have properly optimized pages, your customer will find the way to you without advertising.
Think in time for the important
Not that investment in advertising was not important, but not so primary. So think about it in time. It is evident that you will not know the advice yourself and so there is nothing easier than to turn to the right specialists who can do this work for you and at prices that do not necessarily scare you.