Edit mode is available from levels 25 and up.
Located above the Friends Bar, farmers have 2 Farm layout slots and 2 Town layout slots. Your current layout will be labeled with a green check.
The other slot is meant for creating an alternate design, used to easily swap layouts.
Additional layout slots can be purchased with diamonds.
Important: Farm and town slots must be purchased separately.
Editing your layout: layouts cannot be used until all essential items are placed and saved.
Essential items: items that are absolutely necessary for your farm/town to function. Buildings, machines, trees, fields, bushes, pet and animal habitats are essential. Decorations however are not essential items.
Last but not least, each layout can be named! Come up with whatever suits your fancy, providing easy to recall themes, details and fun stuff!