There should be a leader: pupil ratio of at least 1:4 on single pitch climbs (one pitch point usually at the top of the rock controlled by party leader) and 1:3 on multi-pitch climbs (more than one pitch point). (educationbusinessuk.net)
In addition, the Kindle Single pitch — pieces that are 10,000 to 30,000 words — fit in with my sweet spot. (zdnet.com)
I have a rental that is a 2/1 single pitched roof that is only 780sqf. (biggerpockets.com)