Quick question about buying bitcoin

so I've bought off markets before and usually get $10-$15 over the amount of the product/shipping in bitcoin. By the time I transfer my coin from my wallet to the market wallet the amount I bought ends up right above how much I need or even under the amount so sometimes I end up short unexpectedly. How much bitcoin do you guys buy over the amount to make sure you end up with the amount you need by the time it makes it to your market wallet? Sorry if this made no sense I tried to word it the best I could lol


Comments


[2 Points] None:

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[1 Points] Heretrythisguy:

The exact amount I need. If its fluctuating too much just wait. Calculate your fees also. You shouldnt keep coming up short unless you're forgetting TX fees and miners fees, CC fees, PP fees etc.