I'm not in the business of home farming, but the price tag seems pretty high.
Also, why does it have to be a subscription model?
Also, why does it have to be a subscription model?
What price would you expect?
Also, the subscription model stems from the fact that this is a SaaS product that I am continuously improving. I would like to provide a downloadable product eventually, but not in the next few month.
Who is your target customer? (I assume not the average HN reader)
Maybe a smartphone app with the freemium model would be interesting, as one might want to update the map outside and people can try it out first.
How big is the community and what perk does it have over existing ones (that are mostly free)?
Marketing ideas: engage in existing communities, answer questions on quora and the like, find a local community/fair and get them to try it out and see what they like