How to increase trust of a sales page? A sales page that will truly look like customer friendly.
You just answered your own query. Yes make it customer friendly as possible. And the word you are looking for is presentation. People will come to your page and instantly decide whether its for them or not. So, first impression gets immense importance so make it count.
Make it look like promising. You can do that adding SSL certificate to your page.
Put yourself in the position of your customers and ask your slef this would you buy something from your page.