Nope there's no limits, as long as you get one as a drop, you can do it.
Many treasures can be found in runescape, but the main treasures are for members only, and a wide range of clue scrolls to set you on the treasure hunt! Treasure vary, some will not be that valuable, but some can make you rich and some make you incredibly rich.
There are many, many possible clue scrolls, too many to list here. See the related links for several RuneScape fansites that have full Clue Scroll/Treasure Trail guides.
Sacred clay items are sold by the Exchange Mystic in the Stealing Creation minigame lobby. He is located near the Head Mystic, and exchanges points you win in the game for tools, armour, or weapons. If by 'sacred stuff' you mean blessed items, however, they are found in many different ways, mostly through Treasure Trails.
As many as you like (the limit for any item is about 2 billion). Once you start using it, you can't have more than 10 of those.
Rough Trails has 360 pages.
On Jungle Trails has 280 pages.
Quest Points = Trade Limit0 - 10 = 5,000gp34 = 10,000gp75 = 18,750gp150 = 34,615gp225 = 50,480gp270 = 60,000gp
There is no limit of how many food you can store but there is a limit of Hitpoints it heals: 12. So basically you can store any food that adds up to 12 HP in there. Example: 4 Shrimps - 1 cornucopia.
Depends on how you count walking paths as separate trails. Rather than arguing over the number of trails, note that there are over 700 miles of designated trails in the Park; and many of them are as stunningly beautiful as anywhere in the USA.
there are 23 skills in runescape
What town? There are many towns in Runescape.
As many as you want