Our vets are more expensive compared to other parts of the country though. (good for everyone but us!)
As far as the scrubby, if you soak her for a good long while-(a good way is to soak paper towels in a soap and water solution (not antibacterial soap) and apply the paper towels to her legs...
I agree-at least 14 days of antibiotics, plus that foot needs a debridement by a vet. (it's soaked and the dead, hard skin and scabbing needs to be scraped off) she may have some gangrene under there which needs to be removed as well. She needs a topical antibiotic as well. Poor girl does look...