The price of a novel depended on many factors, such as the quality of the novel, market demand, publicity, and so on. If he wrote a novel of 670,000 words, the amount of money he could get might be very different. First of all, the quality of the novel was an important factor in determining the price. If the novel was very popular, the plot was wonderful, and the characters were well portrayed, then the price might be very high. On the other hand, if the quality of the novel was poor and did not arouse the interest of the readers, the price would be relatively low. Secondly, market demand was also one of the factors that affected the price of a novel. If the novel is very popular in the market, its price may be very high. On the other hand, if the novel was not fully explored or the market demand was low, the price would be relatively low. Lastly, publicity was also one of the factors that affected the price of the novel. If the novel was well promoted, its price could be very high. On the other hand, if the novel was not widely publicized, its price would be relatively low. Therefore, the amount of money one could get from writing a novel of 670,000 words might be very different. The specific price depended on the quality of the novel, market demand, publicity, and other factors.