As a contractor I've been paid by cheque, PayPal, and (my favorite) wire transfer. Always this was after sending them an invoice. I found PayPal to be the least

As a contractor I've been paid by cheque, PayPal, and (my favorite) wire transfer. Always this was after sending them an invoice. I found PayPal to be the least friction about invoicing and reminding about due payments, though I lost between 2-3% of my invoice to fees.