If you want your online business to be successful, then there are some things you should avoid doing. If you do the following things, then you might actually kill your online business:

-Having your site hosted on a free host that embeds advertisements everywhere.
-Putting too many pop-ups on your website. Most Internet users associate pop-ups with spam or unwanted advertisements.
-Having a site that loads very slowly. It is important not to have too many widgets or animated graphics that are not necessary.
-Not answering your emails on time is also something that will make sure online business look unprofessional.