Does Offline Data entry work Jobs on Internet work? are they trustworthy?

1). I want to know are the OnlineJobs really work?

I am looking for part time job as I get free from my manufacturing business after 6 PM...i am looking for online job or computer oriented job...may be offline data entry job form home...I have spoken to www.homebasejobs4u.com and also seen their office but charging some money for 6 months...

2). how do i trust them?

3). Give your kind suggestions