Hi and Welcome Trevor
Perhaps there is a social service, not for profit or house of worship program or combination there of to gather enough to get new housing.
I can imagine what it feels like to lose one's family but to be homeless afterwards is understandably difficult beyond my comprehension.
I know every area is a bit different in regard to financial assistance but I hope you can find some help there to lift your spirits.
Congrats on your choices. Hang in there