A quick query for if you'd like to know exactly how much micro fees can save you:
SELECT
ROUND(SUM((amount*0.029)+.3),2) AS 'Standard Fees',
ROUND(SUM((amount*0.05)+.05),2) AS 'Micro Fees',
(ROUND(SUM((amount*0.029)+.3),2) - ROUND(SUM((amount*0.05)+.05),2)) AS 'Difference (m)'...