If you are talking about just postcards and mailing, I get 5000 postcards for 200 dollars and then a stamp is 28 cents.

I prefer postcards but don't hustle a ton anymore. 

Second idea is… hire a VA for cold calling (or diy) and send letters, postcards, texts (with forwarding to your cell phone) to owners of properties you want to buy.

I used the one in which I sent a slightly over sized post card (printed both sides) to the areas I wanted.

You will be much more memorable than a post card/mailer, and have a higher probability of getting someone to talk to you.  

@Doug Laroche This is huge for an R&D project for about 6-9 months in your area, take the time, draft two different letters/postcards/mailers and split test them for 90 days.

Medium or low quality prospects should receive things like postcards, Ringless voicemails, or cold calls. 

No worse than many post cards I've seen in the mail. even if they didn't have tops on, you wouldn't be able to see anything with that big black line going across the screen!

You need to figure out what each specific business is more receptive to what kind of marketing.Is that kind of business mor eprone to open up letters,  will they rather pay attention to a postcard, or is a text better?

So, I purchased a list of absentee owners and sent out post cards for the first time not really knowing what to expect.