# Andrew Purdum

> Direct response and digital marketing, taught as systems backed by real numbers.

Written by Andrew Purdum. Running paid traffic since 2014, $10M+ in managed ad spend.
Every article answers its title question in the opening paragraph, then shows the working.

## Meta Ads
Diagnosing and fixing paid social accounts. What to kill, what to keep, and how to tell the difference before you burn the budget.

- [Why your Facebook ads stopped working the day after you raised the budget](https://andrewpurdum.com/meta-ads/facebook-ads-stopped-working-after-budget-increase/): Raising the budget didn't break your ads. It reset the learning and changed who Meta buys for you. A bigger budget forces the algorithm to reach further down its ranked list of likely converters, so the cheap people it had been picking off first get exhausted and the expensive ones start showing up. Nothing is broken. The easy inventory just ran out.