‘The Bills bonds will be 25-year bonds – though it appears likely they could be paid off and refinanced earlier – that offer investors interest income twice a year in exchange for an initial investment of at least $5,000. The maximum allowable investment for a retail investor is $250,000. After Monday, institutional investors are likely to snap up all remaining county bonds since Erie County enjoys a AA rating from bond rating agencies, which is considered a strong, investment-grade credit rating.’