“Do I want to sell a couple of buildings and self-fund? I don’t know that I want to do that,” he said on NBC’s “Morning Joe.”

The businessman, who has self-funded most of the $50 million his primary campaign has raised so far, attacked his opponents for taking money from so-called “special interests.”

But with a general election bid likely to cost around a billion dollars per candidate, Trump may need to rethink his strategy. In addition to raising money for his own campaign, presidential party nominees are also expected to raise money for the party, in order to support down-ballot candidates.

“I really won’t be asking for money for myself, i’ll be asking for money for the party,” Trump said. “I’m going to be making a decision over the next week.”