There are various ways to receive donations for your website. People are willing to donate money for your website when you are providing genuine, legal and honest information. This information can be about evertything. If you are providing news on mortgages, then you do want to consider to provide real information as people want to spend their time on a good website which provides them the information they need.
Once you have registered the official PayPal account you will be able to install the official donation plugin on your website.