How much cash is too much cash to keep at home?

Anna State Bank 7 BANCFIRST 15 BANK OF THE SIERRA 11 BNY Mellon Trust of Delaware 15 Brown Brothers Harriman Trust Company, National Association 11 Cetera Trust Company, National Association 20 Cogent Bank 20 Community National Bank, Monmouth 3 ESQUIRE Bank National Association 17 First Summit Bank 2 Havana National Bank 6 KATAHDIN TC 21 National Advisory Trust 8 OAK VALLEY Community Bank 11 Pineries Bank 1 Security State Bank of Oklahoma 5 State Bank of Schaller 5 synovus 13 TXN Bank 15 WELLWORTH Bank 7