Various General Tips
You can use multiple fingers to tap the red button faster and improve the production.
Using Gold Eggs will get you some awesome upgrades like Soul Food and Silo Quality. Use them as soon as you get a chance.
Try to upgrade both shacks and vehicles equally to get the optimal production.
Keep an eye out for flying drones. If you tap them, you'll get money or a gold egg. Either way, it's something good.
Don't ignore the alerts on the right side of the screen. They offer valuable information about your farm and some special deals.
Of course, you can always watch some small ads to get bonus eggs, so don't forget it.
Researches like Comfortable Nest and Nutritional Supplements should be your priority. They increase the number of produced eggs as well as the price, so you'll get a lot more money.
Getting a new egg type seems like starting from the top, but it actually means you've advanced to a new level.