Originally Posted by
bobbyrae
Don't try to expand everything. Focus on upgrading your pantry so you have enough space to store various food items. Then focus on upgrading your general, butcher and vegetable stores to at least level 3 or 4. Don't focus on opening up newer stores or expanding the seafood and fruit stores just yet, and don't worry too much about expanding the market since it's ridiculously expensive to buy anything in there anyway. The garden can only be expanded when you get enough seeds and since those seeds take up space in your hardware inventory expand the garden as you can as well.
This is what I did and I have found that it allows me to complete the challenges much quicker than I could have before.