2. Based on what you said, that you make $50000 a year and your hu*****and makes (I assume) $1000000 a year. If you have 100% custody of the children, roughly you will get $1312 per month in child support. This amount will be deducted from your hu*****and's paycheck each month, mandatorily.
3. It will take about $2500 (roughly) for the whole process, if you go with contested divorce.