It is impossible to predict how long it will take to do something | 🗖 nosplit | ↑ parent "Ciro Santilli's software engineering wisdom" | 63
The trivial takes a few hours.
The easy takes a week.
And what seemed hard takes a few hours.
As "deadlines" approach, feature sets get cut down, then there are delays, and finally a feasible feature set is delivered some time after the deadline.
The only deadlines that can be met are those of tasks which have already been done but not announced.