Incomes and housing prices vary in Wayland - the highest percentage of households earn between 75K and 99K but many of those homeowners who bought years ago would probably not be able to afford a home in Wayland today. Housing prices range from 189K to 14 million - the median price is $772,000; and houses on the lower end are either small, on busy roads, need work (which also costs), or all three.
The amount you are qualified to borrow depends on a number of factors - your credit, down payment, employment history as well as income. The first step is to contact a mortgage broker to discuss what you can afford, then you can decide which town will make sense for you. Interest rates are low and housing prices are going up, so now is the time to buy if you can!
I sell in Wayland, Sudbury, and all of the towns west of Boston, so let me know if you need a buyer broker to help.