public override string ToString()
 {
     string[] asin = ASIN.Split(':');
     string asinString = string.Empty;
     if (asin.Length >= 1)
     {
         asinString = asin[1];
     }
     return $"ASIN-{asinString},type-{type},Price-{Price},IsPrime-{IsPrime},OutOfStock-{OutOfStock}";
 }
 public override string ToString()
 {
     string[] asin = ASIN.Split(':');
     string asinString = string.Empty;
     if (asin.Length >= 1)
     {
         asinString = WhiteSpaceRegex.IsMatch(asin[1]) ? WhiteSpaceRegex.Replace(asin[1], string.Empty).Trim() : asin[1]; ;
     }
     return $"ASIN-{asinString},type-{type},Price-{Price},IsPrime-{IsPrime},OutOfStock-{OutOfStock}";
 }