You came to the right gang.... we are nuts about the breed even with the potential issues that can arise. The biggest thing you can do to possibly prevent some of the issues is feed a very high quality grain free food. Allergies usually the culprit behind most of the issues, but some are just part of being a dog like hip dysplasia which is very common in many breeds. Bulldogs have the breathing issues, but as a puppy if you notice tight nares, have them widened during spay and that could lessen the impact to the palate as she gets older.
As with anything in life... you may have some issues, a lot of issue or none at all.