I really liked this game! Very relaxing :)
Tough at first, but I like that. Real farming and ranching is hard work! I love what you did with the graphic limitations. I'm very impressed! I planted every seed at least once just to see what their growing process looked like, lol. Also, the music is pleasant and has a nice "farmy" country feel to it.
For anyone having trouble, I planted some wheat but mainly wound up trekking out to the dock with full stamina so I could catch 10 fish. After selling all that (at the store, place with the purple sign), I bought the 2 chickens from the animal shop and kinda just hung around the farm, walking back and forth picking up eggs. I didn't really do the crops much. I made enough money selling eggs, some more fish, and just a few crops to get the horse.
Rode the horse to the dock, fished a ton, sold the fish, bought the cow. Make sure to milk the cow after you wake up. If you forget and run out of stamina, you've missed the milk for that day. With the eggs, milk, and fishing trips, the money added up very very quickly. It'll say 99 in red once the icon's maxed out, but you can see how much money you really have by checking the green chest in your house.
I didn't do this til I was already straight financially, but another early strategy I'd suggest is buying the corn and carrot seeds so you can grow some crops to trade with the witch in the forest. If you have the horse, this'll be easier, but if not that's fine. Trade for the energy potion (the red one) and head to the dock (all the way to the right). Just keep fishing until the potion icon completely disappears (the bottle will be empty, but it'll still be working!)
Even without a horse and with the starter rod (slowest one), you should still be able to catch at least 60 fish. That's 240 farmer face coins right there.
Once you get into the hundreds, have fun buying whatever, going wherever, and doing whatever you want til you marry the blonde woman (in the first house, no sign) and beat the game!
Hope that helped, and, again, great job Satyre :D