When benefic in nature, retrograde Mercury in the twelfth house of a horoscope in the sign of Cancer can bless the native with good results related to marriage, profession, fame, authority and many other types of good results depending on the overall tone of his horoscope. Such benefic retrograde Mercury can make some natives witness many types of benefits through their marriages, when present in accordance with marriage supporting planets in the horoscopes of these natives. Benefic retrograde Mercury in the twelfth house in the sign of Cancer can bless some natives with husbands or wives who may have well established professions and they may earn well from their professions. For example, if benefic retrograde Mercury is placed in the twelfth house of a horoscope in the sign of Cancer, benefic Venus is placed in the first house of this horoscope in the sign of Leo along with benefic Sun; and benefic Saturn is placed in the eighth house of this horoscope in the sign of Pisces, the native may experience such marriage. The native boosted by benefic retrograde Mercury in the twelfth house in the sign of Cancer and other benefic planets may get married to a woman who may have a well established profession and she may witness good financial incomes through it.
Benefic retrograde Mercury in the twelfth house in the sign of Cancer can also bless the natives under its influence with success, authority and fame through many types of professions, when favored by profession boosting planets in their horoscopes. Such benefic retrograde Mercury can bend some natives towards the field of hospitality due to which these natives may engage in professions related to this field and they may achieve success as professionals dealing in event management industry, airline industry, travel industry, cinema industry and other such professions. For example, if benefic retrograde Mercury is placed in the twelfth house of a horoscope in the sign of Cancer, benefic Venus is placed in the eleventh house of this horoscope in the sign of Gemini, benefic Rahu is placed in the tenth house of this horoscope in the sign of Taurus, benefic Ketu is placed in the fourth house of this horoscope in the sign of Scorpio and benefic Mars is placed in the third house of this horoscope in the sign of Libra, the native may engage in airline industry. The native boosted by benefic retrograde Mercury in the twelfth house in the sign of Cancer and other benefic planets may get blessed with a well paying job in an airline and he may earn significant amount of money and success through this field of profession.
At the same time, if benefic Moon is placed in the eleventh house of this horoscope in the sign of Gemini along with benefic Venus, benefic Sun is also placed in the eleventh house of this horoscope along with these two benefic planets and benefic retrograde Jupiter is placed in the seventh house of this horoscope in the sign of Aquarius when all other planets are placed in the already mentioned houses of this horoscope, the results may become much better. The native boosted by benefic retrograde Mercury in the twelfth house in the sign of Cancer and other benefic planets may become the owner of an airline and he may witness very good results through this field of profession. The joint impact of such benefic retrograde Mercury and other benefic planets can bless this native with very good amount of money, success and recognition through the field of airline and he may also enjoy many benefits by virtue of this profession. Apart from this, benefic retrograde Mercury in the twelfth house in the sign of Cancer can bless the natives with favorable results through many other fields of profession, if joined by profession building planets in the horoscopes of these natives.
On the other hand, malefic retrograde Mercury in the twelfth house of a horoscope in the sign of Cancer can trouble the native with problems related to marriage, profession, health and many other types of problems depending on the overall tone of his horoscope. Such malefic retrograde Mercury can hit the professions of some natives and it can trouble them with many types of issues related to this field. Malefic retrograde Mercury in the twelfth house in the sign of Cancer can bring bad reputation to some natives through their fields of profession and the quantum of such bad reputation may increase with the intervention of other negative planets to the horoscopes of these natives. In an extreme case of this type when supported by other malefic planets, malefic retrograde Mercury in the twelfth house of a horoscope in the sign of Cancer can get the native involved in a scandal related to his profession and he may have to suffer from many types of problems due to such scandal, apart from facing a lot of bad reputation.