Sometimes files won't seem to make it from your computer to our server. Here's what to do when that happens.
Then try again. If the upload is still really slow, or not progressing at all, there are a few things you can do:
Worst case, if you can put the file somewhere that we can get to it, such as with a Dropbox share link, we can download it from there and upload it for you. Just click HELP from your Simplero Dashboard (located on the bottom left of the sidebar - How can we help? button) and give us the URL for the file you want us to upload.