I like that it's easy to use, has an intuitive interface which makes for quick set up as well as being able to connect directly into Magento or Woo Commerce is very beneficial. It also comes in both free versions (which are limited) and paid plans - so you can try before purchasing if required. The price point isn't cheap but there does seem to be some flexibility around pricing depending upon your needs/requirements however this may vary between different providers. We've been using invenda since we launched our online store back in 2015 and have had no issues at all aside from occasional downtime when their servers go down due to high traffic levels! They're always working hard behind the scenes ensuring everything runs smoothly whilst maintaining uptime for us customers too :).