I am experiencing stomach upset, vomiting, passing gas, headache (occurred: 1 to 3 hrs) (better by: rest, nsaids (ibuprofen, naproxen, etc.)) i have also been under a lot of stress related to work, money, and where i will live next year ?

Need check up: Concerned about the vomiting. Certainly you sound quite stressed out and with the vomiting very uncomfortable. Stress can do alot of things. However, to rule out other things you need to get labs, a check up and a diagnosis. Nsaids can upset the stomach. You might be in a vicious circle. Nsaids better headache, worse stomach ache. Get a check up and feel better.