Is it safe to purchase incontinence & medical supplies online?

Typically yes. Advances in security technology have made it far safer than it has been in the past. Make sure when entering any personal information that the page is secure. You can check this by noticing the beginning of the URL (web address). It should read Https:// (Hypertext Transfer Protocol over Secure Socket Layer, or HTTP over SSL) is a Web protocol built into your browser that encrypts and decrypts user page requests as well as the pages that are returned by the web server.