The reason why i say this is to make clear that you can be a neutral monist or a idealist and still believe in survival of bodily death. Their are more than just dualist models for survival. Some naturalists and materialists believe it's only dualist's that uphold survival after death. Which isn't true. For example Dr. Eric Weiss believes in neutral monism and has a model for survival after death. This follows from Whitehead's view of matter and mind which is a neutral monism.
Survival in a Multi-World Cosmology of Subtle Realms
Other neutral monists who support the evidence for survival and have come up with models for survival after bodily death are
Psychologist William James
Dr. Ed Kelly