How do you know which home improvement projects will yield the highest rate of return on investment?   In a previous blog post titled, “Home Improvements and Return on Investment” we discussed some of the most cost-effective home improvements.  Now, let’s look at some of the least cost-effective according to experts in real estate investment.    Swimming pool   o   While a swimming pool may be fun for you and your family, many buyers view swimming pools as possible hazards with high maintenance tags. o   For instance, pools need PH balancing, heating, filtering, skimming, repairing, and maintenance.  These take time and money that some buyers may not be willing to take on.  …