Automotive finance specialist Money3 put its foot on the accelerator during the December half, with record growth in loan originations. However, not much of the growth made it to the bottom line.For the six months to December, Money3's loan originations rose 58.8 per cent to A$138.3 million, compared with the previous corresponding period. The loan book grew 48.8 per cent to $426.7 million.Revenue was up 55 per cent to $62.7 million and EBITDA grew 36.9 per cent to $30.5 million.Net profit rose just 1.5 per cent to $17.8 million.A series of costs blowouts cut into earnings. The bad debt expense more than doubled, increasing from $4.2 million to $9.7 million. "Movement in allowance for impairment losses" jumped from $745,000 in the December half 2018 to $2.8 million in the latest half.Employee related expenses rose 25.6 per cent to $12.6 million, technology expenses rose 55.9 per cent to 41.6 million. Total expenses rose 70.7 per cent from $23.4 million to 40 million. Professional fees rose to $1 million. The company had a year of transformation last year. It stopped selling small amount credit contracts and it sold its branch and online businesses.It acquired Go Car Finance in New Zealand in March last year, in a deal worth $16 million.Profit from continuing operations rose 35.2 per cent to $15.8 million.Money3 chief executive Scott Baldwin said in a statement that the core business was growing strongly.The company estimates that more than four million Australians are either not serviced or excluded by traditional auto finance providers.The company has $50 million of undrawn finance available to grow its loan book.