It's highly unlikely you'll find a purebred Schnauzer for 300 yuan. If you do, it's very probable that you're looking at a mixed-breed Schnauzer or a puppy that might be sick. Generally, the price of a Schnauzer typically starts around 1500 yuan, and anything below 1000 yuan should raise suspicion.

Why a 300 Yuan Schnauzer is a Red Flag
A Schnauzer priced at 300 yuan is highly likely to be a mixed breed or a puppy with underlying health issues, so it's strongly advised against purchasing one at such a low price. A standard Schnauzer usually costs around 1500 yuan. If you see one priced below 1000 yuan, it's best to avoid it, as the dog's quality and health might be compromised. Remember, the better the breed standard and pedigree, the higher the price.
Price Variations in Schnauzers
Purebred Schnauzers typically cost 500-1000 yuan more than mixed-breed ones. A Schnauzer with excellent features and a pedigree certificate usually ranges between 3000 to 5000 yuan. If you're after a show-quality Schnauzer with an impeccable breed standard, the price can easily go up from there. These price differences reflect the breed's characteristics, health and pedigree.
Identifying a Purebred Schnauzer
Purebred Schnauzers typically have black coats with a coarse, glossy texture. Their bodies are sturdy. Check the hind legs for any signs of deformity. Their facial features are more refined compared to mixed-breed dogs. They will have bright eyes, pink gums and a pink tongue. Purebred Schnauzers have a broad head, which is round and elongated. Look for these distinct characteristics when identifying a purebred Schnauzer.