Learn a design method where adding features costs less over time — and prove it with real numbers.
Build once. Recombine across domains. Measure the cost going down.
Three products. Three different domains.
One codebase. Each course builds on the last —
same pieces, new product. We measure the effort
at every step. Does the cost of change actually
go down? By the third product, we'll have the numbers.
The starting point
A complete Breakout game built by combination.
Collisions without IF. New features at decreasing cost.
Then we recombine the same pieces into new games. We measure it all.
Same pieces, different domain
Building blocks from Breakout, applied to a text editor.
A completely different domain. How many pieces carry over?
How many new ones are needed? Did the effort decrease?
The curve continues
A trading alert engine built from the same codebase.
How much can we recombine? How much new work is needed?
By the third product, the cost curve tells the full story.
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