@Brandon Turner actually wrote a whole book on the subject and it's a very worthwhile read:http://get.biggerpockets.com/nomoneydown/Here are a few tips to help you get the most out of BP and kickstart your investing career:Start here.

Any tips and safeguard on staying on budget? 

I'm looking to hire established general and sub contractors but would like the BP community to provide me tips on what to look for, as well as how to obtain wholesale pricing on construction items.Thanks in advance!

Get it here:http://get.biggerpockets.com/flippingbook/We offer a 3-video WHOLESALE ACCELERATOR course free of charge to my colleagues here on BP - so, send me a colleague request here in BiggerPockets (include your EMAIL address) and I'll be happy to send you that course, which includes the PURCHASE AGREEMENT and ASSIGNMENT AGREEMENT that you'll need for wholesaling.

It's not like I can make a video of a testimonial with an agent/broker confirming that this stuff is legitimate.

http://www.biggerpockets.com/renewsblog/2015/10/01/bp-podcast-142-22-and-a-half-actionable-tips-beginner-real-estate-investors-with-josh-brandon/Best wishes as you get started!

Any tips on how to choose a good assessor, and how to interface with them?

One tip I read and tried was a ghost ad.

@Jean BolgerThanks for the tip!

It's the best list regardless of how many others you might think are mailing to it.The other things that work for larger investors are:- Google AdWords- Signage (billboards, electronic billboards, bandit signs)- Broadcast (TV, radio)You can create an AdWords account, put out signs, make YouTube videos, do Facebook posts, create a Trulia blog, etc. etc.