Now is the time to run extra electrical circuits / and a gas line because you never know what you'll want in the way of future appliances.

What is a lower level? Are you talking about a basement? I would check with you township about local codes. Where I have lived you were not allowed to have stoves in a second basement kitchen if the area was zone single family homes. Fridge, dishwashers, and microwaves were permitted.

My main floor kitchen is small with good counterspace but limited storage. So my basement kitchenette is a baking space with storage for stand mixer, blender, baking pans and ingredients. I have a wall oven installed under the stairs next to a 30 inch space for a future fridge. Our powerful microwave and a small chest freezer are also in that area. No DW but I do have a single bowl sink for washing up. 

In this area, ranges are somewhat common in expensive newer homes. The tacit understanding is those fancy houses aren't likely to add unsanctioned second units while less expensive housing might

Mini fridg and microwave, sink

If you need a cooktop, get a portable induction unit to use as a hot plate.

Google on Amazon.