I am in two minds about that. I certainly understand where you...

I am in two minds about that. I certainly understand where you are coming from, and I think for a personal FB account that would be ok.
As for a professional business like this one, I would highly recommend for a second personal to proof read.
Don’t forget we are trying to attract high end supplies.
What would your first impression be if you are a high end client and you read a social media message by the company with mistakes in spelling and grammar.
Yes people are constantly on the run and ‘quickly’ drop a blurb while running, but it needs to look professional.
Just my two bobs.