During boom times, you can cash out much more from your equity. Andsince your DP is not much because lenders tend to be more lenient andprovide bigger load quantum, you can acquire more properties.Furthermore you can charge higher rents.
During down times,you can pick up great bargains, and it is easier tolease out your properties. My strategy to pledge gold, stocks andforeign currencies as security to get OD facilities to pay for DP, sothat one stone can kill two birds.
For investors, it is always cash flow, cash flow and cash flow. Andbelieve it or not, you can always find good deals at any time and inany market.