Natural (alkaline) fungicide for early tomato blight etc: 1 gallon water with 1 Tbs baking soda, and 2 Tbs vegetable oil added to it. Shake well, add tsp of pure castile soap. pour the mixture into a spray bottle and go.
Do you have place in your house that don& receive direct sun or do you want to grow plants in your living room, dining room or bath room? Luckily there are plants that grow without sunlight and you can grow them indoors.