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The Supasplit Blog
Practical, honest guides on splitting bills with roommates, friends, partners, and travel groups. Written for humans, not algorithms.
Splitting Wedding Costs in 2026: Tradition Is Out, Math Is In
How modern couples actually split wedding costs. The old rules are dead, here's how to divide the bill between you, your parents, and their parents without the awkwardness.
Who Pays for the Driver's Gas? A Road Trip Rulebook
Gas, tolls, the driver's wear-and-tear, and who covers the Red Bull. The honest rulebook for splitting a road trip without screwing the person behind the wheel.
Security Deposit Drama: Who Gets What When Someone Moves Out
The security deposit is the most forgotten roommate fact and causes the most move-out fights. Here's how to split, track, and return it without drama.
When the Birthday Person Pays (and When They Absolutely Shouldn't)
Who picks up the tab at a birthday dinner? The answer depends on who organized, who invited, and what the group agreed to before anyone sat down.
Joint Account, Separate, or Yours-Mine-Ours? The Honest Comparison
Joint vs separate accounts for couples, fully compared. When each setup works, when it breaks, and how to pick the one that matches how merged your lives actually are.
Splitting a Ski Trip: Lifts, Cabins, Après, Everything
Ski trips have more line items than any other group trip. Here's how to split the cabin, lift tickets, rentals, and the surprise $340 dinner without killing the vibe.
Splitting Groceries With Roommates: Shared Cart, Separate Cart, or Chaos?
Three ways to handle groceries with roommates without anyone resenting anyone. When to share a cart, when to go separate, and when the hybrid actually works.
Bigger Bedroom, Bigger Rent? The Proportional Split Explained
When bedrooms in your apartment are very different sizes, an equal rent split stops being fair. Here's how to calculate a proportional split by square footage.
The "I'll Venmo You Later" Friend on Vacation: A Survival Guide
That one friend who gets home from the trip and never sends their share of the Airbnb. Here's how to prevent it on the next trip and collect on the current one.
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