First and foremost please do not try to work on your garage doors springs yourself it could result in serious injury or death!! You probably will not be able to open your garage door or it will only open up an inch or a few inches if that is the case you should definitely give us a call we can get it taken care of. Now when it comes to springs there is no one-size-fits-all springs come in many different sizes so costs can vary also different warranty options will also affect the price so there will be options available
You should do a basic tune up on your garage door and garage door opener every 6 months to a year
Garage doors come in all shapes sizes weights and materials even if your garage door looks like every other garage door it can be quite different possibly a different length or height or potentially different gauge metal or material that's why it's always best to have a very knowledgeable and trustworthy company to handle all of your needs.