When children's permanent teeth come in substantially later than average, it is called delayed tooth eruption. In Factors Influencing Permanent Teeth Eruption, Ruta Almonaitiene, et al. argue that delayed tooth eruption does not normally indicate a medical problem. Instead, numerous sociological, lifestyle and genetic factors affect when a child's permanent teeth arrive.
When you factor in the residual values the vinyl fence will cost you about $168.00 per year while the western red cedar picket fence will cost you about $534.00 a year.
that 5-10 per foot is for a picket type fence built just for decoration.... a regular 6' tall wood fence with 3 rails and a rot board, concrete in all post holes is $22-28 depending on treated pine or cedar materials, etc.