bocabasser, for bass fishing applications, 50 yards of line is more than enough. Getting three reels done with a 150 yard spool is more economical and less wasteful. Doing it your way, there is a middle section of 50+ yards that never gets used other than to take up reel spool space. As you suggest, swapping ends as the line wears decreases cost and waste also. I also do the "50 yard rule" for fluorocarbon and regular monos.