When first planting you should water every day or two for a couple of weeks, making sure not to let the root ball dry out, then gradually back off the watering frequency so that after 6 weeks you are watering every two-three days or so in the summer and every week to two weeks in the winter.
For example, their Grammar book is only $15. The total cost of books at a college level will usually be much higher. Depending on the number of credits, the price can vary from $200-$1000 per semester. According to CollegeBoard.com, the national average for college textbooks is $1,137 per year.
Cutting the Cost of College Textbooks. Advertisement According to the 2007-08 National Postsecondary Student Aid Study, full-time students spent an average of $834 on books and supplies for their college classes.he cost of textbooks varied by as much as $200 higher or lower depending on the type of college, with less-than-2-year programs having lower textbook costs than 2-year and 4-year programs.