Hey @Ladarius Eatmon
Congratulations on starting a new career! Real Estate investing is a business that can be tough, but very rewarding if you have a great understanding of the fundamentals of Real Estate Investing paired with good sales & negotiation skills.
"Driving for Dollars" is one good way of prospecting for off-market deals. The best way to come to a number that you will offer to the seller is by analyzing your market (where subject property is) to first get an understanding of what homes are selling for in the area, then, you have to estimate what the rehab is going to cost for the property. It may be difficult to pinpoint an exact number before seeing the property in person, but you can get a ballpark (estimate) number to use in your deal analyzer. You can get ballpark numbers by investigating what typical rehabs cost in your area. For example, in my area of Los Angeles, a cosmetic fixer would cost me anywhere between $75-125,000. If I'm forcing appreciation (adding sq. ft), the costs would range anywhere between $125--200,000+. I focus on high-end SFR so my rehab costs are going to be higher than the average.
There are more factors that can contribute to calculating what you will offer the seller but the main things to keep in mind is:
1. What Fixers, Turn-Key, and Rehabbed homes are selling for in your market. (To estimate what you are able to offer the seller and what the property will sell for once flipped)
2. What the typical rehab costs are in your market. (To estimate what your repair costs will be)
These are just a couple of tips to help you get started analyzing properties. I hope I was able to provide you with some sort of value!