Ok, here's my revision of some of your items, you'll notice that I changed a lot of your "at will" prices since "at will" is command word activated and not use activated.
changes are in bold. I assumed that most of your at will stuff used the command word and thus the cheaper price. Of course you'll have to use an action to activate them, so you might want to make them continuous anyway.
Enthusiastic Student said:
Epic Ring of Warding
- Greater Heroism at will (CL 11, duration 11 min)
Protection from Evil at will, (CL 1, duration 1 min)
continuous Death Ward,
+10 deflection bonus to AC
- Price:
continuous Greater Herosim: 6(spell level)*11(caster level)*2(1min/level duration)*2000 = 264.000
continuous Protection from Evil: 1(spell level)*1(caster level)*2(1min/level duration)*2000 = 4.000
continuous Death Ward: 4(spell level)*7(caster level)*2(1min/level duration)*2000 = 112.000
deflection bonus to AC, +10: 10*10(bonus squared)*2000(deflection bonus to AC)*10(Epic) = 2.000.000
Total Price: 2.380.000 gp
or
132.000(price for continuous GH)*1.5(total duration is above 10 min) + 4000 + 112,000 + 2,000,000 gp = 2.315.000 gp
First off, you'll have to pay the x2 modifier for continuous GH since: "If the duration of the spell is 1 minute/level, multiply the cost by 2"
Secondly, you'll have to pay an additional x1.5 for each of the spells since they are a different type than the deflection bonus, which here is considered the "primary" ability.
Enthusiastic Student said:
Boots of Swiftness: 256,000(base price)-36,000 (no need to pay for +6 enhancment to dex)
-64,800 (no need to pay for haste 3/day since I pay for continuous haste) = 155,200
continuous haste: 3(spell level)*5(caster level)*4(1 round/level duration)*2.000*1.5 = 180.000
Greater Teleport at will (i.e.
command word activated): 7(spell level)*13(caster level)*1.800*1.5 = 245,700
Plane Shift at will (i.e.
command word activated): 5(spell level)*9(caster level)*1.800*1.5 = 121,500
continuous Freedom of Movement: 4(spell level)*7(caster level)*1,5(10 min/level duration)*2.000*1.5 = 126,000
Total Price: 828,400 gp
Enthusiastic Student said:
Super Googles of Forsight
- Grants wearer arcane sight at will (CL 5, duration 5 min),
continuous greater invisibility
continuous foresight at will (CL 17, duration 170 min),
and read magic at will (CL 1, duration 10 min)
- Price:
Arcane Sight at will (i.e.
command word activated): 3(spell level)*5(caster level)*1,800 = 27,000
continuous Greater Invisibility (i.e. use activated): 4(spell level)*7(caster level)*4(1 round/level duration)*2.000 = 160.000
continuous Foresight at will (i.e. use activeted): 9(spell level)*17(caster level)*1,5(10 min/level duration)*2.000 = 459.000
Read Magic at will (i.e.
command word activated): 0,5(0th level spell)*1(caster level)*1.800 = 900
Total Price: 646.900 gp
Enthusiastic Student said:
Healthy Amulet of Anonymity
- Grants wearer the effects of a continuous netralize poison,
remove disease at will (changed from continuous, since duration is instantaneous)
continuous nondetection (at caster level 100),
continuous mind blank,
and can cast greater restoration at will
- Price:
continuous Neutralize Poison: 4(spell level)*7(caster level)*1,5(10 min/level duration)*2.000 = 84.000
Remove Disease at will (i.e.
command word activated): 3(spell level)*5(caster level)*1.800 = 27.000
continuous Nondetection: 3(spell level)*100(caster level)*
1 (1 hour/level duration)*2.000*10(Epic because it has a caster level above 20th) = 6.000.000
continuous Mind Blank: 8(spell level)*15(caster level)*0,5(24 hour duration)*2.000 = 120.000
Greater Restoration at will (i.e. use activated): 500(xp)*5(gp/xp)*100(charges per day to be paid for if at will effect)+7(spell level)*13(caster level)*1,5(10 min/level duration)*2.000 = 523.000
Total Price: 6.754.000 gp
Note: I've assumed that 1 hour/level is x1 since 10 min/level is x1.5 and 24 hour is x0.5
My previous miscalculation (18,000,000) was probably under the assumption that nondetection was 9th level.
Enthusiastic Student said:
You should change all the durations to continuous (you allready calculated that price). At will effects are command-word activated.
And remember that continuous effect are supressible at will.