1) What is mastering? [ANSWER]

2)
The [name of particular instrument] is too [loud/soft] on track x. Can this be fixed in mastering? [ANSWER]

3)
How long does it take to master a CD? [ANSWER]

4)
What formats do you accept for mastering? [ANSWER]

5)
Should I normalize/limit/compress/eq/fade my mixes prior to mastering? [ANSWER]

6)
All of my tracks are recorded in 16-bit format. Why should I bother mixing them down to a 24-bit file? [ANSWER]