Building a Rent Fairness Calculator From 10,000+ Listing Data Points

Dublin has a rental price opacity problem. Property sale prices in Ireland are public, recorded in the Property Price Register with address and amount for every transaction. Rental prices are not. The official rental registry (RTB) runs 3-6 months behind, covers only registered tenancies, and publishes aggregate figures rather than per-property data. The salary you'd need to comfortably rent in Dublin (we broke that down here) makes this opacity particularly painful. If you're a renter in Dubli...