Project dossier

Manager pushing for next-level expectations, but I don't want the promo. Advice?

I have always struggled with estimation. For most of my nine-year career, I was a serial underestimator, and I’ve only really gotten the hang of it in the last few years. I’ve relied on the standard tricks: multiply the initial estimate by 1.5, account for the percentage of engineering time that will be lost to other work, and add a buffer for testing. Now, though? I have no idea what to do. Things that used to take weeks now take days. My team was just assigned a “half-year” project. It has a t