1 SolarCraft.com states that installing solar panels in a residential pool can cost from $2,500 to $7,000, depending on location and pool size, placement of solar panels, preferred temperature, season of installation, and pool equipment type.
For example, you may be here from morning until mid-afternoon one day and from mid-morning to evening with a long break in between on another day. For most programs, you will be in class for about 20 hours/week, with the addition of time needed for homework, reading, group work, labs, etc. Keep in mind that your timetable is also likely to change from one semester to the next.
I had 4-5 classes that met on average 150 minutes a week (2 75-minute classes or 3 50 minute classes. Plus as a Bio major, I spent 4-8 hours in lab most weeks. So, I'd say 10 hours in class and 5 hours in lab for a total of 15 hours, on average.