Across the country, real estate rates are rising rapidly. The S&P Core, Reasoning Case-Shiller National Home Cost NSA Index, which tracks price changes of single-family homes, indicates that in November 2020, real estate prices had risen 9. 5 percent from the previous November. At the end of 2019, the average home was worth around $245,000. It's now worth more than $266,000, according to Zillow. This is a substantial boost, and there are a couple of factors behind it. The cost of a house…