Berkshire Hathaway disclosed several stock purchases (and one sale) during the first quarter. While investors will have to wait until May 15 for the full portfolio, they will be able to see if Buffett added to this other investment in the first quarter.

If the price is right, two dominant businesses -- one of which is already a sizable holding for Berkshire Hathaway -- would make for perfect acquisitions by the Oracle of Omaha.

Rising home prices, down payment expectations, elevated mortgage rates, and closing costs have made it challenging for first-time homeowners to enter the housing market. As the size of the average U.S.