Guild Wars 2 Shop

Investments
    (24) Mystic Forge Stone
    (8) Fine Salvage Kit @ 00 02 88 = 23s 5c
    (8) Journeyman's Salvage Kit @ 00 08 00 = 64s 1c
    (8) Master Salvage Kit @ 00 15 36 = 1g 22s 39c
    (500) Resilient Speargun of Agony = 2g 90s
    (250) Pillaging Outlaw Boots = 1g 75s
    (750) Mighty Speargun of Smoldering = 4g 35s
    (500) Mighty Gloves of Lyssa= 4g
TOTAL COSTS ~15g

Results: Items
    (216) Jute Scraps
    (430) Copper Ore
    (341) Iron Ore
    (266) Green Wood Log
    (694) Soft Wood Log
    (172) Minor Rune of Lyssa
    (192) Minor Rune of Infiltration
    (397) Minor Sigil of Agony
    (600) Minor Sigil of Smoldering

Results: Luck % of luck/Drop Rate
    (2,280) Fine Essence of luck @ 10pts = 22,800pts of luck
    36.953% / 77.869%
    (572) Masterwork Essence of luck @ 50pts = 28,600pts of luck 46.353% / 19.536%
    (49) Rare Essence of luck @ 100pts = 4,900pts of luck 7.942% / 1.67%
    (27) Exotic Essence of luck @ 200pts = 5,400pts of luck 8.752% / 0.922%

Total Luck - 61,700 Total Luck Items - 2928

Magic Find Leveling Data
Starting MF = 20% Gift+ 3% Achievement+ 5% Gained before data recording because I needed to make more room in my inventory

LVL/Ptsper/Increase
28 220 ??/ 29 230 10/ 30 250 20/ 31 260 10/ 32 270 10/ 33 290 20/ 34 310 20/ 35 320 10/ 36 340 20/ 37 360 20/ 38 380 20/ 39 400 20/ 40 420 20/ 41 440 20/ 42 470 30/ 43 490 20/ 44 520 30/ 45 540 20/ 46 570 30/ 47 600 30/ 48 630 30/ 49 660 30/ 50 690 30/ 51 720 30/ 52 760 30/ 53 790 30/ 54 830 40/ 55 860 30/ 56 900 40/ 57 940 40/ 58 980 40/ 59 1020 40/ 60 1070 50/ 61 1110 40/ 62 1150 40/ 63 1200 50/ 64 1250 50/ 65 1300 50/ 66 1350 50/ 67 1400 50/ 68 1450 50/ 69 1510 60/ 70 So Mad I missed this one / 71 1620 ??/ 72 1670 50/ 73 1730 60/ 74 1790 60/ 75 1860 70/ 76 1920 60/ 77 1980 60/ 78 2050 70/ 79 2120 70/ 80 2190 70/ 81 2260 70/ 82 2330 60/ 83 2400 70/ 84 2480 80/ 85 2550 70/

Things to note:
* I forged 2000 total Mystic Salvage Kits because at the time the fact that All Salvage kits have the same chances for luck was not made public. One could purchase ~134 stacks of crude salvage kits for 42s 88c to help cut costs to do this.
* At a glance the amount of extra Luck Points per level seems to increase in a fairly predictable way, however I haven't actually sat down to come up with a formula.

The post details the amount of luck points needed to advance each level from level 28 to level 85. After plotting those points, it is clear that the amount of luck needed to advance increases faster than linear.

After fiddling with the Excel graph fitting tool, the best fit came from an order-2 polynomial. The equation shown above gives a rough estimation for the amount of luck needed to advance (y) as a function of level (x). Extrapolating from this equation, the amount of luck needed to advance from 299 to 300 is approximately 44,396. But, to obtain the total amount of luck needed to get from 28, our starting point, to 300, we must integrate the above equation from 28 to 300. This gives a total amount of approximately 4.19 million points.

Before everyone goes crazy, there are two caveats: first, the model assumes your level and luck points are continuous, when they are in fact discrete, i.e. you can't have half a level or half a luck point. This will throw off the exact numbers. The bigger caveat however is the extrapolation. There is no indication that this trend will continue all the way to 300. It may level off after a while. Assuming it does increase at this rate is bad science in general, but we have nothing else to go from at this point.

Personally, I would put 4.19 million as an upper bound; it definitely should not take more than that. Also, please check my math.

TL;DR Based on my math, it will take at most 4.19 million luck points to max out your magic find.