|#||Nr. of unique characters||Password||Estimated time of brute force crack|
|Higher is better||in seconds||or in hours||or in days||or in years|
A: Read https://www.schneier.com/blog/archives/2005/06/write_down_your.html. Next to writing it down on paper, I also recommend to carry a lighter ;-)
A: Good! Yes that is very likely. No one seems to universally agree on this. What I've done here is explained here. You may try different settings, especially the number of guesses per second http://bjvb.nl/strongpassword.php?l=8&t=0&g=1000000.
NOTE: If the script appears to hang, reduce the minimum password strength (t) or set it to 0.