Are there any discounts available on commercial-grade dust collection systems?

I was sitting at home thinking about dust collection systems again because my cousin said big workshop machines cost a lot but sometimes you can save money if you buy at the right time.

I checked alibaba while scrolling on my phone and searched commercial grade dust collection system discounts industrial cyclone collector deals and I saw many suppliers offering different kinds of price offers. Some sellers give discounts during seasonal sales or factory clearance events while others reduce prices when buyers order in bulk or choose full systems with ducts filters and accessories together. I also noticed that some listings include free shipping or extra filter units instead of lowering the base price so it looks like a deal but real savings depend on total package value and I is trying to understand how buyers compare actual cost instead of just looking at discount tags.

Now I feel discounts on commercial dust collection systems are available but they depend on timing order size and supplier strategy and I dont want to think every offer is the best deal without checking performance airflow capacity and maintenance cost.

Do you think waiting for seasonal discounts is better or buying a reliable dust collection system early is smarter for long term workshop efficiency?