Some disadvantages of the Engineering Cost Estimating method include: [2] 1  It can be expensive to implement and it is time consuming. 2  It is not flexible enough to answer what-if questions. 3  New estimates must be built for each alternative.  The product specification must be well known and stable.
grutch (v.) c. 1200, grucchen, to murmur, complain, find fault with, be angry, from Old French grouchier, grocier to murmur, to grumble, of unknown origin, perhaps from Germanic, probably ultimately imitative. Meaning to begrudge is c. 1400. Compare gruccild (early 13c.) woman who complains, from grutch + suffix of
crutch. 1  a staff or support to assist a lame or infirm person in walking, now usually with a crosspiece at one end to fit under the armpit. 2  any of various devices resembling this in shape or use. 3  anything that serves as a temporary and often inappropriate support, supplement, or substitute; prop: He uses liquor as a psychological crutch.