No accessories are included, only ipad is for sale. Price is negotiable but only upto an extent, don't lowball with ridiculous offers. iPad was always been kept inside a flip-style case and screen guard was applied at the date of purchase.
There has been reports in the last few days of some user accounts being compromised and used for market section fraud. It is therefore recommended that you change your password immediately. Preferably you should also enable 2FA to be safe.