Only use manufacturer suggested dry-erase markers on your whiteboards, not permanent markers or pens. Erase board after each day's use, if your board is used daily, the cleaning should be performed at least 2 to 3 times a week. Allow ink to dry, waiting 8-10 seconds before erasing.
1 Installing an aboveground pool can cost $1,500-$5,000; for in-ground estimated costs are $7,000-$16,000 for a vinyl-lined model, $15,000-$25,000 for a fiberglass shell and $17,000-$45,000 for concrete or gunite. 2  However, custom designs can run prices much higher.
The average cost of a pool enclosure based on nationwide data is approximately $10,000. Screened pool enclosures cost around $15 to $25 per square foot. An aluminum pool enclosure might cost $15 to $25 per square foot. Glass swimming pool enclosures cost roughly $40 to $60 per square foot. Gazebo-style or retractable pool enclosures might cost $50 to $200 per square foot. A cheaper option is a simple pool fence, which could cost under $100 or $1,000+.