Getting back to it after a long break

[finaddictfred]

After a 15+ year break I'm getting the bug to be fishing again and I need to get new gear. My main question is about reels. I'm looking at a Pfluger President to use for Crappie and such in the Orlando area. Why do the reels have so many line weight options? Can't I just run different weights on spare spools? Like my main line will be 6 and a spare spool of 10. But by the way they are in the add I will need a seperate reel for different weights. help me out here..I'm a wee bit .
Thanks,
Fred
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