Back when Bing Rewards had a higher daily payout and had more double payout days, i earned in a few weeks, enough Amazon credit for a half dozen books and a sharpening stone. Alas Bing reduced the daily payout, thus i searched for alternative, discovering Swagbucks. On my first day with some 12 hours invested, i had earned just over 1,000 swagbucks ($10.00). Ultimately over the course of five months, having earned $315 worth of books and tools. Buying from nearest local supplier, and buying all books (save those purchased for gifts) in used but great condition. Some books cost just a penny ($0.01), but with the normal $4-5 shipping.
Book List
Guide to Flowering Plant Families by Wendy B. Zomlefer
The Herbalist by Joseph E. Meyer
The Herbalist Almanac: A Fifty Year Anthology by Clarence Meyer
A Memory of Light Fiction by Robert Jordan and Brandon Sanderson
The Lost Language of Plants by Stephen Harrod Buhner
Field Guide to the Cascades & Olympics by Stephen R. Whitney
Swagbucks (in order of purchase - last on list being last book bought)
North American dye plants by Anne Bliss
Natural Dyes and Home Dyeing by Rita J. Adrosko
Walden and Other Writings by Henry David Thoreau
Plants Of The Pacific Northwest Coast by Jim Pojar
Wildwood Wisdom by Ellsworth Jaeger
The Journals of Lewis and Clark by Meriwether Lewis and William Clark
The Basket Book by Lyn Siler
Holistic Herbal 4th Edition by David Hoffmann
Earth Basketry by Osma Gallinger Tod
Sepp Holzer's Permaculture by Sepp Holzer
The People of Cascadia by Heidi Bohan
Self-Reliance and Other Essays by Ralph Waldo Emerson
Ishmael by Daniel Quinn (ironic for me the acquisition of this final Swagbucks Reward was)