they will buy your existing house (two closest of three independent appraisals)

This is nice if you are in a bad market but the best thing about it is if you sell it they give a small% of sale price incentive for selling it yourself.

My company is pretty good about letting you do some travel on business expenses for the first few weeks so that you don't burn up all of your temporary housing money up front. Depends on your boss typically.

This is used for professionals and management positions mostly. Sometimes for tech level folks but not often.

The other packages range from $5000 lump sum and you are on your own to everything but paying selling your house related stuff. Mostly those are used for new hire college kids, lower level employees or those who are interested in relocation for personal reasons.