Need advice on moving out of my family's house

Not me being 29 years old still living at home with my family having just gotten over some anxiety because my dog ate some medicine the other day took him to the pet ER. They told me he needs to reduce the stress and the first thing my brother does is bully the fuck out of my dog bc he was in the kitchen. My dog is much older now and I’m being told he needs more care than normal, all my family has been saying recently is about how maybe he’ll die soon he’s old anyways 🙃🙃 I also recently learned an friend of mine from my martial arts gym died in a motorcycle accident And all I’ve heard from everyone at home is … huh well that sucks Like what in the actual fuck!!! 🫠 I don’t know if I’m panicking, overthinking, overreacting or what but for any one is who HAD to move out PLEASE tell me how you did it!! I’ve been needing to move out of my house for YEARS and the emotion cycle of good, up & downs, crazy & disrespect and getting soo old I’m going numb Seriously please send me some info it’s would be deeply appreciated - where to start - where to look - finical aid from the bank ( currently fixing my gpa for FASFA) - thank you sooo much in advance