Just so much to consider. For example, on the orders we place we are paying $400 in shipping (huge orders so its heavy). Then there is worker time, building to house all the LEDs, carrying a selection of 9 colors per style in two base styles and two domes for us alone etc. Comes out to be stocking 100,000's+ of bulbs to meet demands. However, if you know precisely what you want you may save a few bucks for sure, especially if just want a select amount of colors.

Although, markup isn't too insane in my opinion. For comparisons sake....

The big 5050 SMD in a frosted/clear dome is a common bulb(called a super with no cap):

$1.09 from Cointaker. I know they have a pinside code for ~15% off making them $.92 cents
$1.09 from Nifty
$.69 cents from CometPinball
$.75 from us at PinballBulbs, but $.63 cents when using code '15off' and buying more than 100 bulbs of any type $.67 when using code 'pinside' and buying in any amount big or small. I'm also happy to discuss even further discounts when buying in larger bulk, for example.

All these are also non-polarized so none of that cheap mess to worry with. When broken down and having the ability to order in a wide selection without having to order in the thousands of each, may be worth buying from US suppliers. I remember having to go through so much money in samples and time in the end to find exactly what I wanted. So much cheap crap out there that looked great in pictures, but arrived and was unusable.

Back on track....

Got bulbs?

Bottom pic is all the bulbs I pick up from the ground that are dropped every few weeks lol

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Just a heads up on this. That probably isn't true "ghosting", that sounds like a lamp matrix issue. Demolition man is a ghosting game, for example, and all DM games will ghost, unless the rom is patched. This is one of the bad ones for ghosting though. If you are noticing things like you mentioned above go to the lamp row/column charts and find the pattern. A resistor could be shorted, touching diodes etc.

Other games, like say MM for example, do not ghost and shouldn't have any bulbs ghosting. Personally, I don't think you should expect any bulbs to ghost in a game unless the game is known to be a ghosting game. If it does, there is an entirely different problem.

All the games known to ghost can either get non-ghosting bulbs or patch the roms as well.

Not all "ghosting" is caused by that.

If a game is a known ghosting game then it will of course have inserts that ghost. However, if a game is not known to ghost and does not ghost for others, but someone says they are experiencing ghosting then their game has a lamp matrix issue most likely. Shorted transistor, diode touching etc. Easiest way to solve this is pull up lamp matrix and see all lamps ghosting and find the pattern. You can of course put in a non-ghosting bulb in those specific lamps, but many times that is like putting a bandaid on a large wound needing stitches, it'll come back to be a bigger problem later on frequently.