<p>Time and materials does not necessarily mean less hours. I’ve worked a few 70+ hour weeks before on T&M. In my opinion, the most important factors are how flexible the deadline is and who the client is. </p>
<p>If you’re on a project that gets a lot of press or is high-profile, expect to work a lot. Not sure what aibarr is working on, but my guess is it fits the above description. I’m in a similar boat on the construction end of it, though thankfully I usually don’t get emails or phone calls between 10pm and 5am unless it’s from somebody on the night shift or from our parent company overseas (in which case I set my blackberry to not ring on emails anyway).</p>