Verified answer

It would be cheaper and easier in the long run to use seamless paper. Also the white will be brighter/cleaner. Paper is also easy to change out - get a little food on the muslin and you have to wash it, dry it, have it pressed. Paper you just cut off the used part and start fresh.

http://www.bhphotovideo.com/c/product/45607-REG/Sa...

Why not? Keep you depth of field shallow with the use of longer focal lengths and wider apertures. Also use a good solid tripod.

could be depends on the subject matter. Why not just try it