Q.WEEDS
HOW DO I GET RID OF WEEDS IN MY LAWN MYSELF WITH OUT PAYING FOR A PRO TO DO IT

Making a weed identification will help you tackle the problem.
You can upload images here or talk with your County Extension Office.
https://www.gardeningknowhow.com/extension-search
Some weeds can be spot treated or removed. If you have several weed types covering a large area of the garden you can choose herbicides that will kill the weeds but not your grass.
https://www.gardeningknowhow.com/plant-problems/weeds/using-herbicide-in-gardens.htm
https://www.gardeningknowhow.com/plant-problems/weeds/post-emergent-herbicides.htm
https://www.gardeningknowhow.com/plant-problems/weeds/pre-emergent-herbicides.htm
A popular method of lawn care is an application of a weed and feed for lawns.
https://www.gardeningknowhow.com/lawn-care/lgen/lawn-fertilizer-tips.htm