I own scrapebox and use it both at home and a vps.
I use a BHS vps and it works great.You get other stuff like senuke,sick submitter as well for $70 a month.
Bear in mind you need to get to a level where the software is paying for anything you rent,e.g a vps.
This can be by selling blasts or your sites are generating an income to cover costs.
I'd start at home,if you have a spare $50-70 go to bhs and get a vps and offer senuke\sick submitter blasts.
Despite owning alot of tools,I still outsourcr,I'll get a 20k blast from fiverr simply to harvest the found urls,$5 for around 15k of found links isn't bad!
It's all about thinking outside the box.nowadays only a fool for would actually blast 20k of links to a site in one go,simply because once you start you cannot really stop.
I tend to drip feed,maybe 100-200 a day,less for a new site and yes,I blast direct.
You can use scrapebox to blast your web 2.0's,bookmarking pages,in fact anything with your link on it.I use 16 proxies at anyone time.
If you're gonna use scrapebox directly I suggest filtering the PR,I only blast direct with urls of pr1 or higher.
I use dummy sites to test then look for found links and use them on various sites.
This can help delay any akismet bans,though in reality it makes little difference.
Scrapebox is a must have,learn to use it well,experiment with the custom footprint,use comments on highly spammed pages as keywords to harvest all the urls the comments are on.This regularly gets me 30k+ of urls daily.
As I mentioned I use fiverr blasts on dummy sites to get the found links(copy and pasting comments then adding " " for keywords can get tedious).
Good luck.