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.
On average, a pool enclosure that is screened can cost anywhere from $13 to $24 per square foot. Cheaper inflatable enclosures can cost around $7,000 to $10,000 for a typical inground pool. An aluminum screen enclosure can cost anywhere from $15 to $30 per square feet. Higher-end enclosures made from glass can cost as much as $50 to $65 per square feet.