Do you want free items? Here are the methods to do it!
Visit the Wise Old King at http://petpages.neopets.com/medieval/wiseking.phtml for books and knowledge. – please_hold_beeeeep
Fruit items and misc
Visit http://www.neopets.com/desert/fruitmachine.phtml for prizes. – please_hold_beeeeep
Try some under water fishing
Try visiting twice daily for more prizes at the following address http://www.neopets.com/water/fishing.phtml – please_hold_beeeeep
Visit the Tiki Tack Tombola
For prizes and some neopoints (random), visit at http://www.neopets.com/island/tombola.phtml – please_hold_beeeeep
Utilize the monthly freebies!
visiting http://www.neopets.com/freebies/ every month, you will get 2,000 neopoints and one free item for each neopet you have! Remember, you can only use this once a month though. – bluehaze401
Visit http://www.neopets.com/prehistoric/omelette.phtml for a free omelette every day. – whirlybyrd