To be honest, it is difficult to answer this question precisely. It depends on your needs, the volume requested, the complexity of the project and our availability at this time. If your deadlines are tight, it is best to CONTACT US and tell us some more.
The rate estimator is fair and based on our lowest prices.
Again, it depends on the complexity of the work.
But ... .This is also the price we practice most often!
Aware that the dimensions proposed so-called "standard" do not necessarily suit your needs (ex 4X3m visual), it is quite possible to have larger visuals.
Currently, we prefer payment by wire transfer, or online payment (2Checkout, Paypal) although
we are studying payment by Credit card as well as payment by purchase of credit points.