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.
There are several factors that will determine the inground pool cost and that will be determined primarily by you. Although pool prices will vary from region to region in the country, a typical base pool price starts around $20,000 â $28,000 in most areas. This would cover a freeform, geometric, or classic-style pool with no spa attached.