How did Kendall get rich?

Bank of Hindman 4 Bank of the Bluegrass & Trust 3 Bank of the Rockies 5 CAROLINA B&TC 5 Farmers & Merchants Bank of Craig County 2 Farmers & Merchants Bank of North Dakota 7 First Bank of Blue Earth 4 First Midwest Bank of Dexter 10 First National Bank in Tremont 4 First National Bank of Arenzville 4 First National Bank of Kentucky 3 Freeport State Bank 4 GREENE CTY CMRL Bank 1 Janesville State Bank 9 Rolling Hills Bank & Trust 3 Spiro State Bank 8 TruCommunity Bank 1 Turbotville National Bank 3 UNITED Community Bank 11 Vergas State Bank 2