Fudenv Labs

Card Optimizer

Optimize across cards, compare single-card outcomes, and model Bilt rent value with Option A vs Option B.

What this tool does
  • Optimizes category spend across multiple credit cards
  • Models Bilt rent value using multiple reward structures
  • Compares single-card vs multi-card strategies
  • Outputs best setup based on your assumptions

Inputs

Annual spend

Amazon assumptions

Valuations (cpp)

Optimizer

Bilt assumptions

Option A tiers: 25% → 0.50×, 50% → 0.75×, 75% → 1.00×, 100% → 1.25×
Option B: 4% rent cap, 3% unlock rate
Shown for transparency only.
Select cards, enter inputs, then click Apply.

Comparator