home-made grow bags are great. I have also used smart pots and reusable fiber shopping bags. I bought a bag of (25) 3 gallon grow bags so I decided to go with them this time as I'm cramming a lot of green into a minimum of space. Cost $.30 each.
I do not know that strain. It sounds like a Northern Lights type (Afghanica).
I have been buying my seeds from Mr. Nice Seed Auction. Some great deals. I bought the European Outdoor strain for 50E for a gram (50-60 seeds) the Mango Haze cost maybe 100E but I got 25 seeds in the pack (18 minimum usually). There are many strains that go much cheaper and they are mostly premier strains.
I grew out some sativas indoors 2010 and 2011 and the grow logs should be here on cannabis.com.