First of all, declaring failure at this point is so ridiculous that I'm pretty sure that the only purpose of your blog post is to advertise that "Iron Conversion" thing.

Second, Reddit and adwords aren't the only marketing strategies out there, especially when it comes to small businesses. I mean, C'mon, how many small businesses owners turn to reddit in search for "inventory management app". Even more than that - how many business owners actually turn to the web to look for solutions?

I don't know how you imagine them, but small businesses owners aren't hackers. They want solid solutions and they surely would be interested in something that solves a problem and is cheaper than their current solution.

As I see it, your only marketing strategy is phone calls. I mean, hundreds of them. Just open Yellow pages and start making them calls.

Pitch your product, ask business owners about their problems with their current system, describe how yours would solve their problems. Try to get business owners interested, offer a free trial, ask for email addresses, do follow up -phone calls-.

I'll reiterate - small businesses owners aren't hackers.

Edit: I just saw this - "Online Inventory Management without the suck"? Seriously? I really want to know how you imagine your average customer (genuinely interested)