Here are my thoughts.
I'm getting vaccinated despite the risks. I had to go to the hospital for a bad reaction to a vaccine when I was very little, that made me nervous about getting vaccinated. However, I also have risk factors that increase my chances of a severe case of covid (issues w/heart, blood sugar, obesity, and asthma). The risk of being killed--or, worse, permanently sicker and/or more disabled--by covid is greater vs. the risk of the vaccine, so I'm taking my chances with the vaccine.
I considered continuing to isolate, but it's not realistic to expect myself to be able to do this long-term... it's just not always possible to avoid others. For example, about once a year the fire alarm system malfunctions and all tenants have to evacuate (so it's always a big crowd), and my maskless neighbors also don't seem to understand social distancing or personal space. If I have to go to a medical center the chances of being near covid patients is very high, and things like local forest fires and winter air pollution trigger severe asthma attacks so there is a real possibility I'll have to make a visit. Also, I'd like to see my friends and family sometimes, and whether they get vaccinated or not they can still carry the virus, so I need to protect myself to be safely near them.
I had my first shot about a week and a half ago. It seemed to get rid of the migraine I'd woken up to that day, but also caused some negative effects and strong brain fog. I'm not looking forward to the second shot, but since the symptoms all cleared up after about a week, I'm feeling pretty good about my chances.