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, it costs about $7,400 to install a pool enclosure, but the cost can vary based on the type of enclosure being built. Pool enclosure installation costs range from a low of $450 to a high of $19,000 or more. Some of these structures enclose only the pool, while others enclose a the surrounding pool deck area.