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.
Fence posts cost $10-$30, depending on the material. Chain link, vinyl and wooden fence installation all generally call for posts to be spaced 6 to 10 feet apart. An easy way to determine how many posts are needed is to take the total linear feet and divide by ten.