With our eye for detail and our commitment to quality, we ensure each property offers luxurious comfort. 5 Year Price Guarantee. Under the Guarantee, buy an Abercastle lakefront Home and the Buyer receives a 5-year price guarantee that protects the Buyer against future falls in the housing market of up to 15% for the first 5 years of the Buyer's Home ownership. Trade or Partial Trade. We will buy your existing home and pay off your mortgage, enabling you to buy your new Abercastle lakefront home.