SaaSApr 2026 · 12 min read

Building Rentalstack: the first 90 days

From an idea jotted on a flight back from Bali to paying customers in 90 days. The shape of the product, the wedge, and the mistakes I'd repeat.

Darren MorganFull-stack engineer & founder
#02
/rentalstack-90

From an idea jotted on a flight back from Bali to paying customers in 90 days. The shape of the product, the wedge, and the mistakes I'd repeat.

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