You can Join the HP Beta Community and you can apply for the new Smart Tank Project! If you qualify and are chosen, you'll be shipped an FREE HP Smart Tank Printer to test out. Depending on the project requirements, you may be eligible to keep it at no cost! To Apply, Click on Freebie Link to sign up and apply.
Available to US residents. Not everyone that applies will be selected for this opportunity but new testing opportunities will be available often. Good luck!