What do you think is a good quick career for black males who aren't physical strong with sickle cell?

Find your passion of what you love to do and turn it to a job. You'll be less stressed doing what you love.

Bus driving is horribly demanding on the body. Sitting is the new smoking. Ever had DVT (Deep Vein Thrombosis)? It kills "normal" people. Sicklers have a higher chance of experiencing it due to the clotting. I'm lucky it didn't kill me in 2013 but I had to cancel 6 months worth of travel plans because I couldn't fly. 

Speaking for myself, being in tech is cool. Any desk job where you can get a standing (or better, treadmill) desk would be a win IMO. There are plenty of non-coding jobs in various "knowledge" industries. And my health insurance is spectacular. In the last 2 years I've had $500,000 worth of hospital bills at Stanford University Hospital and paid co-pays. 

I think the real question to answer is why would you automatically limit yourself to blue collar options? What's that about? White collar jobs would be the obvious answer to me because of the benefits they provide as long as you're doing something you're good at and enjoy being good at/becoming better at (e.g. you enjoy the process of mastering your craft).