Household Seller Financing. Financing the purchase of domestic estate that is real controlled at both their state and federal amounts. Funding the purchase of domestic real-estate is managed at both hawaii and federal amounts. In Washington the customer Loan Act, chapter RCW 31.04 and chapter WAC 208-620, regulates the financing of cash or expansion of… Continue reading Household Seller Financing. Financing the purchase of domestic estate that is real controlled at both their state and federal amounts.