Yes. You may reside in property during administration by mother/executor. Yes. You may charge reasonable expenses to estate. You do not need...

Amount not too small. Consult BK counsel for complete review and presentation of options.

Only superior court may appoint guardian. Link explains: https://selfhelp.courts.ca.gov/guardianship I need more case specific information to...

Possibly. Review existing document with CA EP counsel.

Administration of court supervised trusts are placed under supervision of superior court. Non-court supervised trusts are administered by trustees...

If GM died intestate, you take nothing.

Depending on stage of dementia, father may/not still have sufficient capacity to create POAH and POAF giving you authority to take control and...

No. Dissolution matter automatically terminated at father's death. Will may/not be valid due to possible violation of FL ATRO'S. Immediately...

Possibly. Res Judicata may bar suing on same facts in another state. Review specifics with counsel to determine if exceptions may apply.

Hire attorney to complete open dissolution case if not closed, or start over with new case..