It's more a matter of understanding the basics of lawn care. With a proper understanding and timing, you can have a lawn that will enhance the beauty and value of your home. The basic ideas in lawn maintenance is first to get your lawn in good shape, then maintain it properly. Test kits are available through the county libraries.
Proper preparation is essential to achieve good seed germination.
Core aerate, till, or rake the surface so that there is a good seed to soil contact. Lacking a test, the rule of thumb is to apply 50 lbs. of lime per 1000 square feet. There is a wide selection available, but try to find or mix your own mixture of at least 3 fescues. If you are seeding over an established area, apply 2-3 lbs per 1000 square feet. If you are establishing a new area, use 4-6 lbs per 1000.