jodi speidel , 46 , and her 45-year-old husband , randy , were found dead in their bellefontaine , ohio , home tuesday .
couple had dragged two charcoal grills inside bedroom and locked door , but let their cats out and left note warning passersby of carbon monoxide .
suicide comes two months after speidels launched online fundraisers asking for help because they were starving and on verge of eviction .