If your budget is smaller yet and you have to do most of the work yourself, there is still hope. Get kitchen design books and magazines to guide your design efforts. Do as much of the work as you are able to do well, then hire professionals to do what you can't. Sometimes you can hire a professional who will let you work with him to save money. You may be able to use your old cabinets if you paint them or have them refaced. You can always get a good plan from a kitchen designer and do it in stages as your budget allows.
The first step to a new kitchen that really works for you is to make a list of what is not working in the existing kitchen. List all the elements that are worn out and need replacing. List appliances and counters that are in inconvenient places. If the kitchen area is too small, look for areas that it can expand to. Maybe it is next to a formal dining room you never use, or a living room that is too large and can give some space to the kitchen and still serve it's function well. The wall between the kitchen and living room can be replaced with an open counter space. For structural changes like this, you will need a professional contractor.
Keep the color of the walls in mind.
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