If you need to convince a customer that he needs your products, shut down your business now.
There are 2 most important groups of people in the business: creators and sellers. Sellers are even more important, they have a skill to convince you to transfer your money to their pockets.
Scaling
Your product has to be easy to use, affordable and allow room for growth.
Positioning
In every business, you are either unique or cheaper. It's fine first to be cheaper and get attention, and then unique.
Marketing
Marketing is storytelling about situations, consequences and solutions.