You could use the new T5 florecent lights they produce very little heat so you could safely grow where ever there is space such as a seasteader’s room, a hallway, or even right in the kitchen. Another benifit is since it does not generate heat it will not burn the plant if they touch the light so you could stack the grow operation as long as you can build a system that does not spill onto the lights. Such as a contained pvc tube full of clay medium.
Heirloom seeds are important because you need them to be able to save the seeds from some of your plants to plant the next harvest. The usual seeds you can pick up anywhere are not intended for the grower to get seeds from their crops. Using heirloom seeds save you money help you prepare for future harvests.