A typical undergraduate education in the US can run an easy $100k for 4 years, if you include housing and not for a state school. That bill normally must be paid back within 5 years. Prior to the low interest rates, the normal rates were 8%. That will run you at least $2027/month. Put on top of that the rent/mortgage in the area you will work at around $1200/month (tech work is usually not in rural areas). Add an additional $250/wk for food and incidentals. Car payments of at least $200/month. Toss in your car insurance, being sub 30 male no tickets, roughly $1200/6-months. Now add your cable modem and broadband (you are a techie, so you need it for work), $90/month. Phone costs are at a minimum $40/month, and electricity will run at least $100/month.
cost:
Of course, this is after taxes and assuming you did not go to graduate school and have not decided to get married and have kids. Now factor in taxes:
Factors out to be around $83,532/year. And this is without any savings, just paying bills and taxes.