Makergeeks.com is advertising a sample pack of 5 different PLA/ABS colors at 10m a color.

1. How can I figure out how much I can print with 10m?

2. Roughly how long is a 2.2lb spool in meters?

3. Is 50m/$30 (1.66m/$1) worth it?

4. How does ultra PLA compare to PLA?