Fast Challenge
Rent vs Buy Speed Run
Adjust four core assumptions, race the clock, and see if you can get under a 5-year break-even target in six moves.
60-second timer 6 moves max Target: under 5 years
Beat the 5-Year Break-Even Target
60s or 6 moves
Ready to start
Time60s left
Moves remaining6 left
Break-even projection
5.0 years
Exactly at target. One more improvement gets you under.
Time left
60s
Timer: 60s max
Moves used
0/6
Goal: under 5 years
Monthly Rent
Step $100
$2,300
Lower rent usually pushes break-even later.
Home Price
Step $10,000
$450,000
Lower price can pull break-even sooner.
Mortgage Rate
Step 0.125%
6.500%
Small rate shifts can move payment quickly.
Planned Years
Step 1 year
7 years
Longer horizon can reveal a late crossover.
Press Start Speed Run to unlock the +/- move controls.
Move impact guide
Rent: Lower rent usually pushes break-even later.
Price: Lower price can pull break-even sooner.
Rate: Small rate changes can move monthly cost quickly.
Years: Extend horizon to reveal long-run crossover.
How to win
- 1. Start with realistic rent and price.
- 2. Use rate and horizon for biggest movement.
- 3. Save one move for final adjustment.
Scoring weights
- Time left on the 60-second clock.
- Unused moves out of six.
- Distance to the 5-year break-even target.