Welcome to the board, thank you for joining us.
Do a lot of search and research, be well armed with knowledge, for knowledge is power.
Many many people have had to face the kind of people issue you are facing. Take a peek in the Family and Loved Ones corner, plenty of gripes there.

In the end, YOU are the only person who can decide what to do.
((((((((HUGS))))))) May your journey go well.