I placed a link below in the "Related Links" section that should be able to help you out.
Summoning is trained by gathering charms and infusing them with pouches to create various familiars. This is the most effective way to train it.
Aasiwat with a total of 60,842,880 exp in Summoning, is the current No.1 in Summoning to-date.
summoning
Taverly.
You take charms, pouches, spirit shards, and secondary summoning ingredients to a summoning obelisk.
Steel Titan, by far.
Speak to Pikkupstix in Taverly.
You make pouches. This requires charms, that can't be traded - you have to get them as drops from different monsters.
There is a summoning obelisk Northeast of edgeville, that will recharge your summoning points. However I believe the nearest obelisk you can create summoning scrolls/ pouches is at Taverly
No it depends on what spell you use
its from summoning. at lvl 70 summoning u can put in incubator at tavelery and get a zamorak hawk
Summoning pouches are easily available via the Grand Exchange and from summoning stores. The max gold pieces you pay in the Grand Exchange is 1gp.