Every time you, or someone, asks a web design/development firm to build a website and they give you a deadline, or an estimate of time/pricing at a reasonable price (without obtaining too much profit), they are never certain if their estimate will correspond to the actual time the project will take.
Every project estimate a company does is based on a series of trial and errors. Each time they are wrong, the estimate’s value increases; each time they are right, it decreases.
If you ask a firm to develop a project with a very large scope of features, it’s absolutely normal for the project cost/time estimates to rise at a much higher rate. » Read the rest of this entry «