Some of the advantages I see are access to the MLS, ability to see properties quicker and make offers quicker, and the opportunity for continuing education. 

However, if you are thinking of something a little maybe quicker when compared to wholesaling, then I'd say research buy and hold rentals. 

It allows you to cash flow more monthly which in turns allows you to save up for the next deal quicker and growing your portfolio faster... 

Using small multi family properties (2 - 4 units) will get you there quicker.

For me living in Seattle, itwas cheaper, easier, and quicker to travel to AZ.

You may need to take some singles and doubles along the way.With this strategy we are trying to grow our portfolio at a quicker rate than the standard Buy and Hold method.

There is higher risk and you'll have to go with a bridge loan but when you refinance you can pull money out of the property just like a traditional BRRRR.As Michael pointed out, you don't necessarily have to wait 3 years to pull out equity, but you will need to find lenders who will allow you to pull it out quicker.

The benefit is in the ability to use the same pot of cash over and over again to scale up your portfolio quicker with Infinite CCR!

Your best approach may be to go in with a cash offer to be able to close quicker.

This will really accelerate your savings, and get you to doing your next deal even quicker.