When one formula isn’t enough.
Decision tools compare competing actions or work backward from a constraint. Every assumption stays visible so you can stress-test the result instead of trusting a black box.
Reseller Buy Decision Calculator
Risk-adjusted sourcing decision with sell-through, returns, time and target ROI.
Home ImprovementContractor Change Order Profit Impact
Price change orders after delay, disruption and callback risk.
BusinessPaid Ads Profit Ceiling
Work backward to CPA, CPL, CPC and CPM ceilings.
MoneyApartment Lease Offer Comparison
Compare lease offers after concessions, fees, move-in cash and commute.
Home ImprovementConcrete Bags vs Ready-Mix
Compare bagged mix and truck delivery after labor and fees.
Home ImprovementMaterial Buffer Optimizer
Optimize how much extra material to buy instead of using a flat waste percentage.
MoneyMove Date Cost Optimizer
Choose a move date by total transition cost, not rent alone.
Home ImprovementMaterial Pickup vs Delivery Calculator
Decide whether pickup is actually cheaper than delivery.
SellingReseller Hold vs Markdown Calculator
Choose the highest expected-value exit strategy for stale inventory.
MoneyCommute vs Move Break-Even Calculator
Solve whether lower commuting cost can justify moving.
DrivingFuel Stop Timing Calculator
Calculate how much gas to buy now before a cheaper fuel stop.
Home ImprovementPrimer vs Extra Coat Cost Calculator
Compare painting plans economically while keeping substrate requirements separate.
BusinessROAS Reality Check Calculator
Turn platform-attributed ROAS into a more conservative profit reality check.