Recently working with a niche site http://www.thepaleorecipereview.com. Need to create lots of backlink in paleo recipe category at the present day backlink don't have any value without content.Google love contextual back link but every one knows it's get content need to spend lot's of money and time. I will show you a way how can you get related content with out spend money. This content really works for me. Go to this link https://sg.auctions.godaddy.com (goaddy auctions) click on ADVANCE SEARCH option from the right.A pop window will open right your desire niche keyword in KEYWORD section from the left top corner ( Example my searching niche is insurance) . Select the option called expiring auctions from the TYPE section. Put 1 in from the TRAFFIC section then hit the search button. You will get like bellow result. Copy any domain from here and go to the https://archive.org search with this domain for example search result showing like bellow. 8 item indexed here open the index file one by one. You will get the content now need to check the content is unique or not. Go to http://smallseotools.com check here your content plagiarism. You have to find out 100% unique content. You can use this content for backlink like web 2.0 site and others site. It will be good idea if you can slightly modify your content it will increase your content quality. This method work from me for my current site ranking. If any one have any question or better idea to find content you can share here hope it will be helpful for them who struggling to write content.