Suggestion for Future Caregivers, seek out a Volunteer (non profit) Caregivers Support Group, that has many Caregivers that have done what you are about to do.  These Caregivers Support Groups usually invite Medical Professionals to explain what the Physical Changes will be, Financial Experts to explain what you must do to make sure Financial stability including their Financial Obligations,  Legal Experts that will tell you about what you must do have Parents create a General Power of Attorney (for you), Living Trust (not the same as a Trust, you as the Trustee), Last Will and Testament (You as the Executor) as minimums to prevent a Family Feud,  Advance Medical Directive (You make the Medical Decisions).   Invite a Psychologist to teach you  Stress Relief, recognition of Stress Related Symptoms "Psychosomatic" as stress making you physically sick, they sometimes will tell you about the adverse things  your Relatives might do.   Thank You Central Oahu Caregivers Support Group.