Even for the best development teams, cost overruns and missed deadlines are inevitable. Constant and clear vigilance is required to keep these errors in check. Sometimes, working on thin margins to gratify a client leads to missing deadlines, which increases the severity of a blown budget.
This is a companion discussion topic for the original entry at https://blog.crowdbotics.com/how-project-managers-fix-cost-overruns-missed-deadlines/