Yes, drink a fishing pot or eat an admiral pie. They boost your fishing level.
You can recharge your Amulet of Glory in the Heroes' Guild, but the problem is you need to complete the quest "Heroes' Guild" otherwise you can't get to the fountain of glory to recharge it.
you get an only fishing rod during the heroes quest. you must talk to someone i port sarim (its been awhile for me) and get a vial of blamish snail oil. then you use the oil on a fishing rod, and now you have an oily fishing rod
You will need to complete the "priest in Peril" quest.
You can't, but you can complete the quest jagex makes for us.
Yes, you must complete the "Swan Song" quest and have a fishing level of at least 62. You also need a small net in your inventory.
Heroes quest, which also supplies you with the ability to weild a dragon battle axe.
You need to complete Ithclarins little helper quest.
complete the fishing game
Yes, simply train up and complete the quest.
I have placed a link below that should take you to a quest guide for this quest.
There is a quest called the Temple of Sennisten, complete this quest to enable you to access the curses.
I don't know. But you can go to Sal's Realm and they'll give you a COMPLETE walkthrough on every quest.