to create the flatpack yes. to use it no.
Tiers only occur in Daemonheim while dungeoneering. It represents the quality of the item. The better an item is, the higher the tier and level requirement are.
To smelt with superheat you need both the magic level for this spell, and the smithing level for the metal you want to smelt.
No.
Just search for 'Runescape item ID database' and you'll find multiple services to search for item ID's.
There are farming calculators out there, and depending on your level and what you will be using to level this skill up you can get the price of that item and times it by how many you require for this answer.
There is no NPC, place, or item in RuneScape called "Kela."
No.
100% chance: Bones Other chances: Low level items including Goblin Mail.(Quest Item)
The armadyl helmet is currently the cheapest armadyl item priced at 3M
bronze dagger
A lectern is an item that can be made in your player house by using the skill construction. It is used to create spell tablets which require the runes and soft clay, spell tablets only take up one inventory slot and depending on what level lecturn you make depends on what tablets you can create.
Making Leather stuff up to the reequired level, look at the highest level leather item you can do and use that to work your way up, that's how I got mine up.