Using a higher price will make the price you are asking seem much more reasonable. You need a tool to help you keep that in front of your visitor al the time.
Have a floating box (to the left, right, bottom or top of your page) showing your potential buyer a product that is much much (even ridiculously) higher price that what you are trying to sell. The floating box always stays visible even when the visitor scrolls up or down.
It would be useful to find out how and when can house brands be more expensive than big brands.
A series of experiments designed to test is house brands can be more expensive, and discover the formula of how and when it can be done.
See how much it costs to make what you buy.
Publish studies on well know products, showing their price structure, how mich it costs to develop, manufacture, market, etc.
It might lead to more income and better relationship with the customers.
Show cost of the online information product (making and marketing), how many you need to sell to make a profit, and how many already sold. Emphasize the smaller amount (first the amount sold, when the amount needed to turn a profit is near then show the amount still needed, and when the profit exists then show the profit.)
Might help self-select different target audiences.
Price relevant products based on their freshness, with (most of the time) the freshest being the most expensive.