The top 3 crops are raspberries, soybeans and artichokes. Raspberries are the best crops to plant because they have the quickest harvest time at 2 hours and are a highly profitable 5.5 Coins. Soybeans are a good choice of crops because they are ready for harvest in 1 day. Artichokes are good because they have a very big return but their disadvantage is they can only harvest in 4 days.
A good way to save space if you have enough farm money or neighbors is to purchase dairy farms for keeping your cows. These buildings can allow you to keep up to 20 cows and you can collect milk from them with just one click.
Use the following list to help you co-ordinate animal harvests, figure out which animals work for you, which animals should be kept as a steady stream of income and which should be sold. This list does not include the special animals (pink cow, black sheep, brown cow, elephant, swan).
Cow Produces 6 coins in 23 hours Sell for 15 coins Buy for 300 coins in the market
Chicken Produces 8 coins in 23 hours Sell for 20 coins Buy for 400 coins in the market
Sheep Produces 28 coins in 69 hours Sell for 35 coins Buy for 700 coins in the market
Pig Produces 30 coins in 46 hours Truffles sell for 30 coins Sell for 50 coins Gift only
Rabbit Produces 60 coins in 92 hours Sell for 60 coins Gift only
Duck Produces 45 coins in 46 hours Sell for 75 coins Gift only
Goat Produces 54 coins in 46 hours Sell For 90 coins Gift only
Horse Produces 84 coins every 69 hours Sell for 105 coins Gift only