On my last order I looked around for distributer with better prices.
<a href="https://www.arrow.com/">Arrow</a> had
better prices in the quantity I was ordering for 75869-106LF, 75869-104LF,
CD74ACT05E, SN74LVC245AN,
0015244441 (same as 15-24-4441), OKR-T/1.5-W12-C, 4310R-101-151, SP3497EEN-L,
0251003.MXL, and FK20X7R1E106K (substitue for FK26X7R1E106K). Also Illinois
Capacitor 106DCN2R7M may be a suitable replacement for the 10F capacitors.
The specifications aren't quite as good as the one I have been using but
should be acceptable and is significantly cheaper in small quantity. The
website didn't work well so I have not created a BOM you can order with.