The chemicals used in swimming pools can injure plants when the filter is backwashed and the water is dumped in the root zones of plants. The foliage will turn brown as the plants die from repeated doses of the chemicals.
There isn’t a set number of houses you should see before you decide. Visit as many as it takes to find the one you want. On average, homebuyers see 15 houses before choosing one. Just be sure to communicate often with your real estate agent about everything you’re looking for. It will help avoid wasting your time.