Mr. Kranthi Kumar,
We welcome you to Techulator. Well actually Product section is reserved for few members who have shown their writing skills well in all departments of the site. You may not receive the rights immediately, unless you show your writing skills well with your participation actively in Forums, Resources and Ask Experts. After you show your capability, Webmaster shall give you the rights based on your requirements.
Yes cash credits are allocated for each approved and well written product with appropriate details without any kind of copy-paste stuffs. Cash will be credited based on your article's fluency, efficiency and how well you present it. So you can improve all of these by participating in Forums and Ask Experts section of the site.
Thanks and Regards,