THE WORST OUTCOME IS A MEDIOCRE SUCCESS

Summary from the TLDR Founders newsletter

If you test a hypothesis and it fails, good, you can now try something new. If it only kinda works, you’re in this limbo state of deciding whether to double down and re-test or pull the plug. This is where time and resources go to die. Defining success and failure specifically and leaving little room for the inbetween is vital.