Spirit runs adds like the current $50 off, and now they are presenting those fairs on their website so you can book the flight BUT AFTER THEY'VE TAKEN YOUR CREDIT CARD INFORMATION AND CHARGED YOU, THEY PRESENT YOU WITH ADDTIIONAL CHARGES - A FEE FOR EACH CHECKED BAG PLUS A FEE FOR EACH SEAT!!! IT ENDED UP COSTING $100 MORE THAN THE CLOSEST COMPETITIVE FAIR once all these charges were added. This is NOT common practice in the airline industry and the information should NOT be buried in terms and conditions that are pages long WHICH NOBODY READS!!! read full review »