Whippet Adult Dog Wanted

i am looking 4 a pet, not a show dog.i would like an dog 4 years or younger,not a young pup.i am 49 and single and have rhumatoid arthritis,and need a walking partner.i have always loved Whippets.i am on a fixed income,but could come up with 500.00.can u help me find my friend.i am a loving caring person ,and will give the rite dog the best home.thanx 4 your time ,have a great day .thanks, sammi