Clickbank is a great choice if you want others to promote your product. It's totally hands off!
If you have a tight budget do the following :
1) Make your sales letter longer and persuade your visitors to buy your guide even if they themselves have little money to spend. Do add some tweaks to the sales letter as to make those with bigger pockets interested in your guide! Just be creative and you will be ok!
2) Market your website using free methods to get get Laser Targetted Traffic!
Then when you start getting sales on a daily basis, get a clickbank account as fast as you can, and create your affiliate page on your site and give away 50% of the profits to your affiliates. Then just go hunting for affiliates by contacting the auction related sites out there. Try to make your program stand out when contacting these potential affiliates, since they probably get several affiliate proposals daily!