I am new to Texas and have heard a lot about Cabela's does anybody know if they spool fishing line??

yes if you buy the reel there,and you can have whatever line you want to buy, thats how ive done mine

Does anybody know if they have any good deals on shimano reels. And how expensive is their power pro fishing line???

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Many products such as Shimano and Columbia will be priced the same everywhere you go. Stores are basically told what to sell them for. Just recently certain Shimano reels were on "sale" but it was authorized by Shimano.