How much does a Rat Terrier cost? Most owners should expect a Rat Terrier to cost around $90–$180 per month, $1,100–$2,200 per year, and about $16,000–$30,000 over a full lifetime. The exact Rat Terrier cost depends on whether you adopt or buy from a breeder, your dog’s age, food quality, veterinary care, training needs, and … Continue reading How Much Does a Rat Terrier Cost? Monthly, First-Year & Lifetime Expenses