Watering 8-10 pots intelligently. Where to begin?

Using Arduino Project Guidance
4

I was wondering if I can use this pump - http://www.ebay.in/itm/BEST-Water-Pump-Desert-Air-Cooler-warranty-Lowest-Price-/150806978642?pt=LH_DefaultDomain_203&hash=item231ccbe052#ht_1497wt_905