You're definitely not alone. The ones that annoy me don't even send that many texts in a day but every week or so I get, "Hi Emily, I was wondering if you're available now?" to which, once or twice, I'll reply, "I can never do short notice bookings. Please see my website for availability details." and then they reply, "Ok shame maybe next time" because yes, in a week, they just text their first message again like they're too bloody important to bother following my instructions. ARGH! It's the cheek of these idiots to think that they deserve a personalised texted explanation as to why I'm not free to see them immediately when every single decent client in the world manages to just check my site and find out my availability and to give me the required notice.
I've had one or two who've been so persistent in their tedious texting that I've replied, "Since you've had three or more replies from me despite ignoring my directions, you now owe me ?100 for wasting approx. 30 minutes of my time." Ha. Never works, though, cos next week you just get another, "Hi, Emily, are you available now?" and then have to bang your head on the desk til it bleeds. They're like "Are we nearly there yet?!" toddlers on a car journey.
Er, so yes, you're not alone because entitled, wanky texters and/or texters who JUST WON'T STOP drive me up the wall, too!