Your photos need work. Your lead image is definitely not Lego, and the Millenium Falcon model shown isn't the right one. Flickr will get you heaps of shots with a commercial license; just do a search on Lego and select "commercial use allowed".

I wouldn't bank on Lego discontinued sets growing in value forever. The building instructions are available online as downloadable PDFs and there are now many manufacturers making bricks of equal quality,