We use USPS Media Mail shipping for orders of up to 25 records. It’s $7 for the first 3 records and $.50 per additional record. Double LPs count as two records:
1-3 Records $7
4 Records $7.50
5 Records $8
6 Records $8.50
7 Records $9
8 Records $9.50
9 Records $10
10 Records $10.50
11 Records $11
12 Records $11.50
13 Records $12
14 Records $12.50
15 Records $13
Etc.