OREGON Iam co-owner of a 3 acre lot with house with my 2 sisters and 1 brother, and have been living on the property in the house since my uncle died in 1994. My share was 20% and they each had 24.6%. In 2006 I sold 8% of my 20% to a friend at between $650.00 and $1000.00 per %,and did not tell...