Choosing a Real Estate Broker is a very personal choice. There are thousands of brokers in the USA and you are correct, some do seem like they have dollar signs in their eyes and don't seem to have feelings for the client. It is important to interview several brokers to find one that fits your needs and personality! You will be spending many hours with the person or team you choose, so being a good fit is very important. If you do choose one and find that you are not a good fit or they are not meeting your needs sever your relationship and move on, just make sure any paperwork you sign upfront will allow you to do that. It is always a good idea to find a broker thru referrals from friends and family. They usually know your personality and can refer you to someone they have used in the past that could be a good fit. Selling your home of many years is very difficult and emotional! We are real estate brokers ourselves and sold our home of many years and it was very hard to look forward while the memories keep pulling you back. But in the long run, change can be fun and energizing!
Just remember please that there are many brokers in the industry that will take great care in getting you home listed and sold while making sure the process is as easy as possible for you while knowing this is a difficult time for you. So keep interviewing! And good luck on your new adventure!