Increase demand by limiting supply
Hot Tip #51 is to increase demand by limiting supply.
The Headlime site has a limited number of $129 lifetime pricing spots available. Once sold out the price goes up:
Founder Danny said it worked wonders for the launch, with both the limited $49 and $89 lifetime pricing specials selling out quickly.
The same goes for limiting time. So consider adding a notice near the CTA button reminding the price is only discounted for the remainder of June.
Any lastly consider limiting physical quantities. Experiment by displaying a visible count of stock remaining.