You need every lot.
Sell a hacienda, and build haciendas in premier lots.
You need enough income to buy every lot, so paint and upgrade houses.
source
Build-a-lot 3: Passport to Europe Level 43
You need every lot.
Sell a hacienda, and build haciendas in premier lots.
You need enough income to buy every lot, so paint and upgrade houses.
source