Capital One once put a hold on my CC for a $0.63 charge from Amazon (my S3) bill. I thought it was very strange especially since they never acted on my $0.19 ch

Capital One once put a hold on my CC for a $0.63 charge from Amazon (my S3) bill. I thought it was very strange especially since they never acted on my $0.19 changes for S3 the 6 six months prior.