Are you selling to the general public, or people who were on the trip with you? If the GP, then I'm not surprised, because I don't see any EXIF info in the image I checked & a keyword search won't find your images. And ...
pmack wrote in post #16487201
I've been on a 2 year backpacking trip and near the start of it I set up a blog to share the images,
IMO, your best market is people who were on the trip with you. So they get to see the images & the immediacy factor is gone when...
and then perhaps 6 months later i set up a zenfolio account so that people could directly purchase the images.
I've sold one tiny print.
6 months later, "life" has already passed by your event. It's almost last years news.
The images are way too high resolution, about 300ppi, so I'm guessing that they've already printed them if they wanted a small print, because that's what they might carry around with them.
And your watermark is very subtle & not big enough to discourage printing from the blog.
It looks to me as if you're lost in the crowd there.