Nobody files a ticket that says "your interface is confusing." They just leave. That's what makes bad UX expensive in a way that's hard to see on any dashboard: the cost arrives disguised as something else.

It shows up as support volume, as a sales team that needs a demo call for a self-serve product, as a churn number nobody can explain. Here are the five patterns we find most often, and what fixing them actually involves.

1. The unhandled empty state

A new user signs up and lands on a blank screen. No data, no guidance, no next step. This is the single most common conversion leak we find, and it exists because empty states get designed last, if at all.

The fix costs a day: show what the screen will look like once it's full, and put one obvious action in the middle of it.

2. Errors that blame the user

"Invalid input" tells someone they're wrong without telling them how to be right. Every error message should name the problem and the remedy in the same breath — and validate as people type, not after they submit.

3. Forms that ask too early

Each field you add before someone has seen value costs you conversions. Ask for what you need to deliver the next step, and nothing more. Company size can wait until they care enough to answer.

If a field doesn't change what happens next, it doesn't belong on the form yet.

4. Invisible loading

A button that does nothing for two seconds gets clicked three more times. Show the state — a spinner, a skeleton, anything. Perceived speed is mostly a design problem, not an engineering one, and it's usually cheaper to fix in CSS than in the query planner.

5. Navigation built from your org chart

Users don't know which team owns which feature, and they shouldn't have to. Group navigation by the job someone is trying to do. If your menu structure mirrors your engineering teams, you've leaked your internals into the product.

Fix the measurement first

Before redesigning anything, instrument the funnel. Know where people drop before you change what they see — otherwise you're redecorating and calling it strategy, and you'll have no way to prove the new version is better.

Then fix in order of traffic. The signup flow that 100% of users touch deserves attention before the settings page that 3% ever open.