I'm pretty new to the hobby, and have one concern. I'm a pretty big guy. I'm well mannered, well dressed, very clean, and drug free. Are ladies less inclined to spend time with someone who is not as attractive as a "normal sized" person? Should I tell someone upfront when setting up an appointment? Or let it happen as normal, not mentioning it...
Being well mannered, clean and well dressed means more than your physical size. If you are heavy, you may want to mention that but it should not be a problem with most good providers. If you are simply tall and broad, that also is not an issue. Regardless of whether you are wide or tall/broad, you can use your arms and elbows to support some of your mass at key times.
Do not consider yourself unattractive. If you are clean, well groomed and your clothing is tailored to fit you properly, you can end up looking impressive. So get in touch with some ladies of your choice and go for it.
I'm fairly heavy myself and generally use my arms to support myself, but what I find odd is that a couple of smaller ladies have asked me to lower my body and put more weight on them.
This is true as long as you are clean and neat (and of course have the cash), the ladies will not be concerned about your size. However you might want to consider going CG or lotus, which would keep your weight off of them.
What is lotus? It's not defined in the terms and abbreviations?
Lotus is when you and the Provider are sitting up, she straddles you, and you enjoy the ride. This is usually common with spinners, or larger men and smaller women, assuming the man has the equipment to handle the job.
I'm a Big Guy ( meaning heavy ) and I've never had problems with a provider. I never mention it and I usually ask for all ladies to on top but I also enjoy having the lady on top to begin with.