A manual for homeowner and first time real estate investor that will guide you step by step to developing an accessory dwelling unit (ADU) also known as Granny Flat, In Law Suite or Guest House. The book will cover various topics from basic laws and codes, market research, financing, budgeting, design, planning, building permit process and construction as well as valuable information on decorating and furnishing. Bonus material includes floor plan layout and 3D renderings of garage conversions to ADU and new ADU units.