Acceptable paraphrasings of the word free In this particular context are for absolutely nothing/for no payment. Plainly the term "for" cannot be omitted from those paraphrasings. Therefore Lots of people will say that for free The OP also didn't say anyting about filling out surveys in Trade for free goods. https://free-icons-for-ppt11009.blogocial.com/iconscout-premium-assets-free-downloader-74063686