Every project hits a wall sooner or later. Not a technical wall. A market wall: the thing you need is sold at the wrong price, in the wrong form, on a promise the seller can't keep. You find it in materials, in labor, in transactions, in software. Anywhere money moves, somebody built a toll booth.
At the wall there are exactly two choices. Pay the toll on every project, forever. Or stop, take the hit once, and learn the thing yourself.
Learning it once is expensive in the worst way: time, mistakes, tuition paid in real money on your own project. Which is why almost nobody does it. The toll is small enough on any single job that paying it always looks smarter this quarter.
But the operation is not one job. Learn a trade once and the toll disappears from every project after it. Then something better happens: the trade opens to the market, and the toll booth starts paying you. The cost center flips into a business. It has happened here with importing, with installation, with transactions, with the systems that run the work.
The compounding is the whole point. One wall learned per cycle, cycle after cycle, and after enough years the operation is a collection of tolls nobody charges you anymore. That kind of result doesn't show up in a quarter. It shows up in a decade.
The wall in front of you is probably charging you right now. The only real question is whether you'll still be paying it five projects from now.