• Give a copy of quran to someone. Each time one reads from it, you gain. 
• Donate a wheelchair to a hospital. Each time sick person uses it, you gain. 
• Participate in building a masjid. 
• Place watercooler in a public place. 
• Plant a tree. You gain whenever a person or animal sits in its shade or eats from it. 
• And the easiest of all, share this message with people. Even 1 applies any of the above, you gain.
Thanks to 
Fatin Liyana for sharing ..
Credit : 
http://honeykoyuki.blogspot.com/2011/09/six-ways-to-earn-even-after-death.html