I would wait until she is lame. My dog is going to be 15 in sept and has grade 4s. One was fixed at age two and the other never fixed and she does fine. I recently had a flare and my vet had me do twice a day Adequan shots and Daisy did amazing all for $20.
As for price, I think it's abot $2800-3000 here in the northeast for a repair.
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