A person should not be concerned about dowries and the like. This is mere vanity. If a person refuses to marry because he is looking for a large dowry, he will never have success and everything will be transformed into ashes and salt. If a person marries for money, it will not result in any good. For three generations his offspring can be corrupt.
Children born of such a marriage are likely to be bad.
A person should make every effort to marry the daughter of a Torah scholar who has been raised on the knees of Judaism. People should not marry the daughters of the ignorant who are wild and do not attach themselves to Judaism. The Torah relates that Nadav and Avihu died because fire came out and burned them when they wished to offer incense. The main reason they died was because they were not married. His sacrifice is abominable in God's eyes.