had to sub to this post. very interesting. if your still having watering problems they sell these things called drippers for use with reptiles. you could pick them up at any pet store. you can control the nozzle to have it at one drip about every 2 minutes. might lead to overhydrating but in a...
your ramble of saying how this is to save money for a business opportunity followed by how its a personal grow doesn't seem to correlate well. Also why would you bother doing this in your parents' home if their is such a high risk? let alone the mention that you don't want to get caught, again.