The raffle idea is awesome I just dont know how you would make money off it really to keep doing it every month.
Maybe not do one every month to start out, but depending on your markups on other products you could do like a $175 basket or something for $10 - $20 a ticket. And everyone who buys a ticket gets a voucher automatically for 10% off a pre-owned disc.
Then you only have to sell $12 tickets at $15 each to pay for the basket. Then depending on the markup of your merch (say it's 15% on somethings) you'd still be making 5% on what they buy with the voucher. With enough people doing the raffle the basket will pay for itself and you'll make a little something extra, if people aren't playing, scrap the idea!
I think raffles for smaller things would be cool too, though. Custom Dye Jobs (Get some stuff off of DD or get people to give you the image you want and tell them you'll get the disc to them in a week or w/e it takes) You don't have to inform them where you get it or obviously they might just go do it themselves. But $3 a ticket for a raffle for a custom dye job on any disc the person wants... I believe that DD is $25 (ish)? You start making a profit once 9 people enter the raffle.
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As cool as a driving range sounds.. it's a lot of space, so you are theoretically buying a ton of land to leave open. Maybe make a mini course/putter course or trick shot course? People can get a feel for drivers based on the numbers (at least in my opinion). Midranges and Putters are where I keep finding my inconsistencies.
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As cool as the trade board is, it doesn't hel you profit. It might bring people back, but not back to spend money. Do what gamestop/play it again have been doing forever. Buy used cheap, sell used for Cost x 1.5-3.
Example: guy brings in 5 discs
1. Buy: 3 Sell: 6
2. Buy: 1 Sell: 3
3. Buy: 7 Sell: 10.5
4. Buy: 4 Sell: 9
5. Buy: 9 Sell: 13.5
How does this works with the voucher? You make the voucher 10% off the next used disc. In the example above,
#3 has the lowest markup%
you buy for $7
sell for $10.5 - 10%)
$10.5 - $1.05 = $9.45
$9.45 - $7 = $2.45 profit on your lowest markup.