Yes, Kyabje Trijang Rinpoche is a living of emanation of Buddha Vajrayogini. Hence, wealth is just an object to him and due to the difference in the level of attainments, we have a very different views of what wealth is when compared to Kyabje Trijang Rinpoche. First of all, for us, wealth is really a source of a lot of attachment and delusions, hence we tend to hoard and be miserly with what we have.
For the ordinary person who has abundant material wealth, he thinks he doesn't have much but to other people, he has a lot. He is also deathly afraid to lose his wealth and therefore employs a lot of people to take care, manage and secure his wealth. He may have a tremendous amounts of wealth but at the point of death, he leaves his body as a pauper. All the miserliness, insecurity and attachment compels him to take a lower rebirth.
Whereas, Kyabje Trijang Rinpoche has no regard for material possessions. He only sees it as a means to benefit others. Whatever he receives, he gives it out just like Lama Tsongkhapa. Sometimes, he gives so much and the fact that his assistant did not manage his ladrang well, his ladrang developed occasional financial problems. To the outside person, he seems poor but when you look at the amount of wealth he distributed to - monasteries, monks and lay people, he benefited so many with gifts and Dharma teachings, he would have been one of the richest person of his era. Therefore, his wealth creates even more causes for him to receive and in turn, he gives it out as well. Therefore, Kyabje Trijang Rinpoche passes away richer than when he was born. He has no causes to take a negative rebirth and instead has perfect control of his death and rebirth. Hence, he has what money cannot buy - security and control over death.