Can I use clear glue instead of white glue?

I don't think you should use a cast iron pan but it could work if you are desperate. I would definitely use a gas stove.

You can use clear glue, or any type of liquid craft glue. If you use a glue stick you will have to microwave it.

Yes, you can. Rice vinegar gives a distinguished taste to the sauce, but white vinegar is also used.

Hot glue would not work well for fabric. Fabric glue would work to make the hat without sewing, though the pleats may be a little tricky, and the hat would...

No you can’t, since the whole idea behind a glue gun is the glue itself. The gun is just the delivery system of the glue. A pritt stick won’t glue...

Make sure under the Material Properties tab for the Glass you set the Surface to Glass instead of Diffuse BSDF.

Probably, but you'll need to use fabric glue. They sell it at any craft store.

Tape will not last as long as glue, especially a glue made for paper. There's no reason you can't use origami paper, though.