Make it simple and secure to buy from your website for convincing your prospects to purchase from you is a hard job. However have you at any time thought that you're making the procedure twice as awkward for both parties if your prospects are convinced but don't know how to purchase from you? No matter how good you are at convincing your prospects, they won't buy if they find the process cumbersome. 
First, you will want to check that consumers can find your purchase form easily and hassle-free. You can write a clear, brief paragraph to direct your prospects to your purchase form so that you can cut down the chances of them getting confused. You can also minimize the chances of losing prospects by putting a blatant link to your purchase page from every other page on your site.
Also, do you offer multiple payment options? Some people may feel at ease paying via PayPal, some may only want to pay with their credit card and others might want to send a cheque. The more options you display, the better your chances of covering your prospects' desired payment scheme. Even so, it wouldn't make any difference to sell hard to a client only to find that they can't pay you when they want to.
After all, you will want to confirm that you are a creditable trader. Is your purchase form using secured encryption technology? You may want to look into TLS for this (Transport Layer Security (TLS) and its predecessor, Secure Sockets Layer (SSL). Online shopping websites frequently use TLS technology to safeguard the transfer of confidential user information, such as credit card numbers. TLS creates a secure connection between the client and your website and gives all parties the confidence that information is being sent securely and to the right place).
You can also offer a money back assurance so that people will feel convinced about buying from you. How about after sales support? Who do they get through to if they have problems after purchasing?
Also, you can add clients testimonials, your contact information, address, and so on to beef up your prospects' confidence. Make them feel secure about buying something from you, a total stranger to them on the other end of the Internet.
As a finale, it would be very dreadful if you sold hard and sold well to a client and something goes wrong when he or she is ready to pay. Get rid of any chances of that and boost your profits!
