Most of the ladies have great advertisements in different forums, but do not include a donation. Sometimes when I inquire about donations I never hear anything back. Question, do you ladies get several requests for donation information that sometimes you ignore them. I imagine a lot of guys are “just kicking the tires”, not being serious about meeting. But would it not be easier putting the donation down, to avoid that.

Many providers won't reply to questions about the donation because that is a question LE would ask in an effort to catch them offering sex in exchange for money. The provider is protecting herself. I know if it isn't stated anywhere for to see you're stuck with a decision about what to do. If I can't find reliable info on her donation I pass on to the next one.

I would prefer to see info about donations also. If it is above my price range I will move on without wasting anyone’s time.   If I cannot find the donation amount, I will ask what the donation is for her time and hope that she responds.

I would prefer to seek donation information on the provider's linked ad or personal website. I avoid asking the lady over the phone.  

I'd get annoyed by the question being my rates are clearly listed or can be found within a few clicks. If you're that lazy to do your due diligence, you probably arent safe to see.

So I just politely send the link whenever anyone asks.

You have hit the nail on the head for me. If a gentleman asks via phone call / text / email, I politely tell him I don't discuss that but would be happy to provide a link to my site when I send my screening requirements. I would never be rude about this because the gentleman may be new to the hobby and just need a little bit of discrete direction.  There is no reason that I cannot protect myself while being polite.

the donation listed. I'm surprised some are choosing not to. Otherwise it's on my website haha

Why providers don't just post the donation in their ad? It seems like it would prevent the question being asked, allow the hobbyist to know if she is within his range, and prevent both parties from wasting their time. Is there a reason that it isn't a good idea to just post this info? It can always be followed by the disclaimer that "money exchanged is for time only... etc.,

it.   We all have certain things that we do or don't do to feel safe.  I think most girls have it clearly listed.  
Way back when (long time ago) I had my number listed and someone would call and ask that question I would tell them
that wasn't a good question to ask someone over the phone, but, I will put it this way...
There were a bunch of students that wanted to ride the bus to a game, and 300 of them were going to leave from
my house and 350 were leaving from your house.  Or something like that. Hopefully they would understand.
Once I made the mistake of asking someone if he wanted to ride in the back seat or the front.  
Of course he took it the wrong way and when we met wanted to ride in the back seat. LOL