Short answer in bold; click thru questions to long answers, if any.
- How much experience do you have with platform/language/package X?
~40 overall as an IT worker in 2015.
- How about references?
Click thru and DIY.
- How many interests/parties you can work with?
3 where the third is the often implicit end consumer (market/society/clients/customers).
- On-Site Rate?
$$$$ per diem (that many digits).
- Will you take our test?
- Will you work without an advance?
Probably, if you are a sufficiently well established business but the normal practice is that something be advanced and the norm further is that that something be half. If you're not decent size business probably. I am to W2/T4.