Nearly 2.5% of the world population suffers from hoarding disorder (HD), a mental illness that is linked to other psychiatric conditions like anxiety, OCD, and depression. People with HD are often subjected to hazardous living environments and experience psychological challenges when others try to discard their possessions. There is a need to have effective interventions to mitigate the psychological discomfort experienced by hoarders and alleviate associated risks. In this study, we explore the lived experiences, coping strategies, and challenges faced by people with excessive hoarding behavior and their close ones/cohabitants by conducting qualitative data analysis on Reddit data. We then generate design implications for digital interventions that can support and assist hoarders in managing and improving their health and living conditions, such as collaborative tracking, communication support, and financial planning assistance, contributing to the nascent literature on hoarding behavior in the HCI community.