Give people free 1 month trial.

Don't try to handcuff visitors into 1 yr worth of subscription right off the bat.

If your service worth value - people will stay. If they wont - learn why not?

I just bought a car yesterday and the dealer gave 3 days/250 miles unconditional money back. That moved a needle to my decision (even though a little less pricey car was available in the area).