Crazy not to buy? 67 coronet

My dad had a 66 in the early 702,like 1972 I think. Anyway yeah but Im thinking if oyu buy it for 6 it may sell for 6 when you get rid of it, so it would be like renting it. I dont think it would ever approach 10 or anything. A big block R/T or 500 two door would be nice roght?