It's easy to get 75% of the way there with anything. You really don't need any special equipment to make it to Mount Everest's base camp. But if you want to make it to the top you are going to need specialized that costs 10 times the price. At first glance, the equipment might look the same, but they are not.
The same is true with marketing, web design, and cooking for that matter. Cooking might be the easiest to understand. Give a home cook and a master chef the same recipe and the same ingredients.
You get the idea.