Focus Factor fixed my sprint planning. Here is the method and a tool I built for it

The pain When I was a team lead, sprint planning was my constant pain. Every planning meeting was the same. Engineers gave estimates in hours, I stacked the sprint to the top of the team's calendar, everyone said "we can do this", and two weeks later we were past the release date and nobody was surprised. The retro would conclude "we need to be more realistic" and we would repeat the exact same pattern next sprint. The fix My department head showed me Focus Factor. The core idea is embarrassingl