[bactrus]

CJ has said it all.

1.Do they need filters/running water or air pump to live??? Or are the fine in still water?
Still water in a jar is enough. Slightly acidic. Water change depends on the type of betta you keep. Halfmoon at almost two daily (or long tail ones where else plakat (short tail) not so sensitive.

2.How much light do they actually need??? I was thinking maybe a small tank outside in my balcony (in a more shaded area) receiving sunlight instead of artificial lights...Are they fine with that?
That is enough usually

3.Any forums which might be good????
Betta Society Malaysia is good. I think one of the members has a stall at amcorp mall on Sundays. Check it out. You can get fish and advise too.

4.How much do normal bettas in aquarium shop worth??? Cos i scared if its very cheap and they sell to me at a high price...
Try cheap easy maintain ones first. Check out betta society and the shop in amcorp. Yes Piscesilim is THE EXPERT here. Try him.

5. Anywhere in KL/Kepong can get healthy betta??
Refer to members in Betta Society. They also have betta Sundays on first sunday of month, where they meet up to compare notes and display they pets. They sell too. Refer to them.

Just for info i have guppies and tetras and mollies under my care now...
If you're interested in betta spendens, they like to be to be alone.