Welcome back Newme. I did not suffer from multiple addictions but I completely understand the feeling of being stuck and sick of not being able to get out of the drinking rollercoaster.
Your addiction would love to have you believe that the problem is insurmountable, but it's not. Many people quit multiple substances and so can you if you really want to. There are lots of free resources here and locally that you could use without having to go to an inpatient rehab. Even if you needed to do rehab or get counseling there are a lot of free or reduced cost options out there. There are support groups for both alcohol and eating disorders certainly in your local municipality, and most cost nothing. You will find a tremendous amount of support here too, and you'll notice we do have a separate forum for eating disorders as well.