Legal advice needed, rights for low income/disabled?

Legal advice needed? ok need legal advice for calif? Im low income disabled, medical and own a home, which is financed private party.she just called and wants me to sign it over to her and make a room for her to come weekends so she can get a heater installed and stuff fixed, guess to sell it. been here 29 years... now what will i do? be in street? and shes bossing me? just when id gotten back up and on my way here i go again, can't win for losing.