Not sure if this is a cheap way to get into CNC but it would probably keep a person tinkering for a while or a lifetime depending on skill level.
https://www.kijiji.ca/v-view-detail...edium=email&utm_campaign=Kijiji_Search_Alerts
https://www.kijiji.ca/v-view-detail...edium=email&utm_campaign=Kijiji_Search_Alerts