You did not accrue enough spare change to get over Coinbase’s minimum amount to buy. Coinbase will not buy cryptocurrency for less than $3.25.
Turn on ‘Minimum Daily/Weekly/Monthly Investment’ button. When on, Coinflash will invest this amount when your change comes in less than $3.25. Press the ‘Settings’ button off of the main page:
You can also increase your spare change accrued. You can do this by setting ‘How Often To Invest Spare Change?’ to monthly from weekly, or from daily to weekly. Or you can increase the ‘% Of Change To Invest’ to 200%.