I don't mind affiliate links. I mind when ratings, scores, ordering of results are influenced by payment from the reviewed companies. Or companies get excluded because they don't offer affiliate programs.
Example http://www.top10bestvpn.com/ "Please be advised that the operator of this site ACCEPTS advertising COMPENSATION from certain companies that appear on the site, and such compensation IMPACTS THE LOCATION AND ORDER in which the companies (and/or their products) are presented, and in some cases may also IMPACT THE SCORING that is assigned to them." (emphasis mine)
Example http://www.top10bestvpn.com/ "Please be advised that the operator of this site ACCEPTS advertising COMPENSATION from certain companies that appear on the site, and such compensation IMPACTS THE LOCATION AND ORDER in which the companies (and/or their products) are presented, and in some cases may also IMPACT THE SCORING that is assigned to them." (emphasis mine)