The specialty vet I have been using told me about a payment option called CareCredit which is basically a line of credit specifically geared towards your pet's healthcare. I guess you can finance up to 100% of the treatment cost and there are no annual fees and if you pay back the loan in 3 months there is no interest charged either. I still have to find out more info but I thought it might be useful link to bookmark if you ever find yourself in a tough financial spot.
www.carecredit.com
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