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.
1 An aluminum screen enclosure can cost anywhere from $15 to $30 per square feet. 2  Higher-end enclosures made from glass can cost as much as $50 to $65 per square feet. 3  A pool owner should plan to pay anywhere from $8,000 to $39,000 for an entire enclosure for a standard in-ground pool. A retractable enclosure could cost upwards of $150 per square foot. 2  With the average mentioned above, the price range can get much higher with higher-end models. 3  For instance, a company such as Poolpatioenclosures.com states that they charge $15 per square foot for an enclosed area.