Originally Posted by
BeantownFlyer
This was helpful - I found some sub-$799 mint fares and was able to book BOS-LAS (and back) using one certificate per person each way. Moreover it worked with award travel too.
I haven’t tried out the $800-$1200 range for mint fares so I have no idea how many certificates are required. But based on my limited sample size, it could be 1-3 certificates for that fare range.