But: avoid premature optimisation, it could lead to overly complex abstractions. Simple, clear structures with little repetition are ideal. Copy pasted data i

But: avoid premature optimisation, it could lead to overly complex abstractions. Simple, clear structures with little repetition are ideal. Copy pasted data is painful to work with but still relatively easy to maintain and fix. Overly complex and unintuitive abstractions are the most difficult to maintain and improve.