I'm sorry that things are so bad Oceanblue.
If you feel like you're right on the edge, usually a hotline is the best resource because the people staffing them usually have training. In the US, you can call 988, and
www.befrienders.org has a world-wide listing of hotlines.
You can still use SF if you want to though.
A lot of folks here are suicidal and SI. Do you want to say more about what's going on?