Loans - You can get a loan out of whatever amount and that is good. But having got a loan and then made lots of money, I find there is no way to pay the loan off early. Having the ability to pay off the loan off early and having a 10-15% early repayment fee would be good (banks like being payed off after all)
Rent - I get it, renting is easier when you are starting out but when you become successful and then look to reduce overheads, having the ability to buy the building you are in would be great. This could also apply to expanding your facility, giving you the option to either rent or buy the additional space/area outright.