Riddle Time: Another Riddle!?

As requested by @NovemberJoseph here's another puzzle for you:

You have been given the task of transporting 3,000 apples 1,000 miles from Appleland to Bananaville.
Your truck can carry 1,000 apples at a time. Every time you travel a mile towards Bananaville you must pay a tax of 1 apple but you pay nothing when going in the other direction (towards Appleland).
Updates:
+1 y
Sorry, what is the most amount of apples you can arrive with?
+1 y
What is the highest number of apples that you can reach Bananaville with?
Riddle Time: Another Riddle!?
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