Make your cheep gardenchair like this.
Floating Deck Ideas They sell the supports at Lowes and Home Depot fairly cheap.
Valspar plastic primer is one of the best products to use when spray painting plastic. Tutorial for spray painting plastic.
12 AFFORDABLE Modern Dining Chairs
A planted edge like this might be a good idea in our gravel seating area, to stop people steping off directly and keep the gravel off the lawn. Plus SWING SEATS.
Amazing Uses For Old Pallets - 13 Pics
How to Paint Plastic Outdoor Chairs at TinySidekick.com #paintplasticfurniture
Really like this idea for a breakfast bar
Each chair cost five bucks and took 30 min to make! Shows you how to build a set of bunk beds, tables, etc. EASY to do.