Health coverage after losing my job: marketplace or Medicaid? - 4 months and counting

My employer coverage ended at the end of the month and I am trying to work out what to do as a mechanic. Thank you in advance. I think my income this year might qualify for a subsidy. Is there help filling out the forms?

Thanks for writing this out. I went through something close to it 4 months ago, and it got easier once I kept a simple log of every call and form.