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.
Average Base Cost. As of 2014, a 32-by-16-foot inground pool cost about $22,000 to build, according to Time Magazine. Depending on how big your pool is, where you live, what materials you use and what city you live in, that figure can go as high as $50,000. That total only covers the initial construction.